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Finding the Fourth Proportional to 498,434.80, 747,652.20 and 232,714.30

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Solution

The fourth proportional to 498,434.80, 747,652.20 and 232,714.30 is: 349,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,434.80 : 747,652.20 = 232,714.30 : x
  2. Step 2: Convert to fraction form
    498,434.80/747,652.20 = 232,714.30/x
  3. Step 3: Cross multiply
    498,434.80x = 747,652.20 × 232,714.30
  4. Step 4: Simplify right side
    498,434.80x = 173,989,358,366.46
  5. Step 5: Solve for x
    x = 173,989,358,366.46/498,434.80
  6. Step 6: Final answer
    x = 349,071.45

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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.