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Finding the Fourth Proportional to 464,434.30, 696,651.45 and 371,122.30

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Solution

The fourth proportional to 464,434.30, 696,651.45 and 371,122.30 is: 556,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,434.30 : 696,651.45 = 371,122.30 : x
  2. Step 2: Convert to fraction form
    464,434.30/696,651.45 = 371,122.30/x
  3. Step 3: Cross multiply
    464,434.30x = 696,651.45 × 371,122.30
  4. Step 4: Simplify right side
    464,434.30x = 258,542,888,422.34
  5. Step 5: Solve for x
    x = 258,542,888,422.34/464,434.30
  6. Step 6: Final answer
    x = 556,683.45

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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.