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Finding the Fourth Proportional to 359,572.62, 539,599.70 and 149,210.76

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Solution

The fourth proportional to 359,572.62, 539,599.70 and 149,210.76 is: 223,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,572.62 : 539,599.70 = 149,210.76 : x
  2. Step 2: Convert to fraction form
    359,572.62/539,599.70 = 149,210.76/x
  3. Step 3: Cross multiply
    359,572.62x = 539,599.70 × 149,210.76
  4. Step 4: Simplify right side
    359,572.62x = 80,514,081,705.80
  5. Step 5: Solve for x
    x = 80,514,081,705.80/359,572.62
  6. Step 6: Final answer
    x = 223,916.05

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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.