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Finding the Fourth Proportional to 474,024.90, 711,037.35 and 442,920.90

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Solution

The fourth proportional to 474,024.90, 711,037.35 and 442,920.90 is: 664,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,024.90 : 711,037.35 = 442,920.90 : x
  2. Step 2: Convert to fraction form
    474,024.90/711,037.35 = 442,920.90/x
  3. Step 3: Cross multiply
    474,024.90x = 711,037.35 × 442,920.90
  4. Step 4: Simplify right side
    474,024.90x = 314,933,302,995.62
  5. Step 5: Solve for x
    x = 314,933,302,995.62/474,024.90
  6. Step 6: Final answer
    x = 664,381.35

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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.