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Finding the Fourth Proportional to 359,384.20, 539,000.70 and 181,724.20

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Solution

The fourth proportional to 359,384.20, 539,000.70 and 181,724.20 is: 272,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,384.20 : 539,000.70 = 181,724.20 : x
  2. Step 2: Convert to fraction form
    359,384.20/539,000.70 = 181,724.20/x
  3. Step 3: Cross multiply
    359,384.20x = 539,000.70 × 181,724.20
  4. Step 4: Simplify right side
    359,384.20x = 97,949,471,006.94
  5. Step 5: Solve for x
    x = 97,949,471,006.94/359,384.20
  6. Step 6: Final answer
    x = 272,548.07

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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.