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Finding the Fourth Proportional to 651,935.40, 977,903.10 and 573,203.40

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Solution

The fourth proportional to 651,935.40, 977,903.10 and 573,203.40 is: 859,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,935.40 : 977,903.10 = 573,203.40 : x
  2. Step 2: Convert to fraction form
    651,935.40/977,903.10 = 573,203.40/x
  3. Step 3: Cross multiply
    651,935.40x = 977,903.10 × 573,203.40
  4. Step 4: Simplify right side
    651,935.40x = 560,537,381,790.54
  5. Step 5: Solve for x
    x = 560,537,381,790.54/651,935.40
  6. Step 6: Final answer
    x = 859,805.10

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Half scale
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Double scale
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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.