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Finding the Fourth Proportional to 472,432.20, 708,648.30 and 472,432.20

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Solution

The fourth proportional to 472,432.20, 708,648.30 and 472,432.20 is: 708,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,432.20 : 708,648.30 = 472,432.20 : x
  2. Step 2: Convert to fraction form
    472,432.20/708,648.30 = 472,432.20/x
  3. Step 3: Cross multiply
    472,432.20x = 708,648.30 × 472,432.20
  4. Step 4: Simplify right side
    472,432.20x = 334,788,275,395.26
  5. Step 5: Solve for x
    x = 334,788,275,395.26/472,432.20
  6. Step 6: Final answer
    x = 708,648.30

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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.