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Finding the Fourth Proportional to 359,490.60, 539,430.30 and 159,841.80

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Solution

The fourth proportional to 359,490.60, 539,430.30 and 159,841.80 is: 239,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,490.60 : 539,430.30 = 159,841.80 : x
  2. Step 2: Convert to fraction form
    359,490.60/539,430.30 = 159,841.80/x
  3. Step 3: Cross multiply
    359,490.60x = 539,430.30 × 159,841.80
  4. Step 4: Simplify right side
    359,490.60x = 86,223,510,126.54
  5. Step 5: Solve for x
    x = 86,223,510,126.54/359,490.60
  6. Step 6: Final answer
    x = 239,849.14

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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.