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Finding the Fourth Proportional to 359,548.80, 539,323.20 and 337,387.20

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Solution

The fourth proportional to 359,548.80, 539,323.20 and 337,387.20 is: 506,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,548.80 : 539,323.20 = 337,387.20 : x
  2. Step 2: Convert to fraction form
    359,548.80/539,323.20 = 337,387.20/x
  3. Step 3: Cross multiply
    359,548.80x = 539,323.20 × 337,387.20
  4. Step 4: Simplify right side
    359,548.80x = 181,960,744,343.04
  5. Step 5: Solve for x
    x = 181,960,744,343.04/359,548.80
  6. Step 6: Final answer
    x = 506,080.80

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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.