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Finding the Fourth Proportional to 472,931.70, 709,397.55 and 466,710.90

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Solution

The fourth proportional to 472,931.70, 709,397.55 and 466,710.90 is: 700,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,931.70 : 709,397.55 = 466,710.90 : x
  2. Step 2: Convert to fraction form
    472,931.70/709,397.55 = 466,710.90/x
  3. Step 3: Cross multiply
    472,931.70x = 709,397.55 × 466,710.90
  4. Step 4: Simplify right side
    472,931.70x = 331,083,569,018.30
  5. Step 5: Solve for x
    x = 331,083,569,018.30/472,931.70
  6. Step 6: Final answer
    x = 700,066.35

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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.