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Finding the Fourth Proportional to 359,516.20, 539,198.70 and 181,856.20

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Solution

The fourth proportional to 359,516.20, 539,198.70 and 181,856.20 is: 272,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,516.20 : 539,198.70 = 181,856.20 : x
  2. Step 2: Convert to fraction form
    359,516.20/539,198.70 = 181,856.20/x
  3. Step 3: Cross multiply
    359,516.20x = 539,198.70 × 181,856.20
  4. Step 4: Simplify right side
    359,516.20x = 98,056,626,626.94
  5. Step 5: Solve for x
    x = 98,056,626,626.94/359,516.20
  6. Step 6: Final answer
    x = 272,746.06

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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.