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Finding the Fourth Proportional to 497,714.80, 746,572.20 and 338,047.60

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Solution

The fourth proportional to 497,714.80, 746,572.20 and 338,047.60 is: 507,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,714.80 : 746,572.20 = 338,047.60 : x
  2. Step 2: Convert to fraction form
    497,714.80/746,572.20 = 338,047.60/x
  3. Step 3: Cross multiply
    497,714.80x = 746,572.20 × 338,047.60
  4. Step 4: Simplify right side
    497,714.80x = 252,376,940,436.72
  5. Step 5: Solve for x
    x = 252,376,940,436.72/497,714.80
  6. Step 6: Final answer
    x = 507,071.40

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Similar ratio
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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.