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Finding the Fourth Proportional to 359,618.70, 539,233.65 and 149,277.90

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Solution

The fourth proportional to 359,618.70, 539,233.65 and 149,277.90 is: 223,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,618.70 : 539,233.65 = 149,277.90 : x
  2. Step 2: Convert to fraction form
    359,618.70/539,233.65 = 149,277.90/x
  3. Step 3: Cross multiply
    359,618.70x = 539,233.65 × 149,277.90
  4. Step 4: Simplify right side
    359,618.70x = 80,495,666,881.34
  5. Step 5: Solve for x
    x = 80,495,666,881.34/359,618.70
  6. Step 6: Final answer
    x = 223,836.15

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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.