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Finding the Fourth Proportional to 541,714.90, 747,318.42 and 350,789.80

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Solution

The fourth proportional to 541,714.90, 747,318.42 and 350,789.80 is: 483,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,714.90 : 747,318.42 = 350,789.80 : x
  2. Step 2: Convert to fraction form
    541,714.90/747,318.42 = 350,789.80/x
  3. Step 3: Cross multiply
    541,714.90x = 747,318.42 × 350,789.80
  4. Step 4: Simplify right side
    541,714.90x = 262,151,679,088.12
  5. Step 5: Solve for x
    x = 262,151,679,088.12/541,714.90
  6. Step 6: Final answer
    x = 483,929.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.