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Finding the Fourth Proportional to 651,200.70, 976,801.05 and 352,602.30

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Solution

The fourth proportional to 651,200.70, 976,801.05 and 352,602.30 is: 528,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,200.70 : 976,801.05 = 352,602.30 : x
  2. Step 2: Convert to fraction form
    651,200.70/976,801.05 = 352,602.30/x
  3. Step 3: Cross multiply
    651,200.70x = 976,801.05 × 352,602.30
  4. Step 4: Simplify right side
    651,200.70x = 344,422,296,872.42
  5. Step 5: Solve for x
    x = 344,422,296,872.42/651,200.70
  6. Step 6: Final answer
    x = 528,903.45

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Half scale
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Double scale
Find fourth proportional to 651,201.70, 976,802.55 and 352,603.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.