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Finding the Fourth Proportional to 347,001.20, 519,724.20 and 284,793.20

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Solution

The fourth proportional to 347,001.20, 519,724.20 and 284,793.20 is: 426,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,001.20 : 519,724.20 = 284,793.20 : x
  2. Step 2: Convert to fraction form
    347,001.20/519,724.20 = 284,793.20/x
  3. Step 3: Cross multiply
    347,001.20x = 519,724.20 × 284,793.20
  4. Step 4: Simplify right side
    347,001.20x = 148,013,918,035.44
  5. Step 5: Solve for x
    x = 148,013,918,035.44/347,001.20
  6. Step 6: Final answer
    x = 426,551.60

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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.