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Finding the Fourth Proportional to 359,709.20, 540,001.20 and 182,124.80

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Solution

The fourth proportional to 359,709.20, 540,001.20 and 182,124.80 is: 273,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,709.20 : 540,001.20 = 182,124.80 : x
  2. Step 2: Convert to fraction form
    359,709.20/540,001.20 = 182,124.80/x
  3. Step 3: Cross multiply
    359,709.20x = 540,001.20 × 182,124.80
  4. Step 4: Simplify right side
    359,709.20x = 98,347,610,549.76
  5. Step 5: Solve for x
    x = 98,347,610,549.76/359,709.20
  6. Step 6: Final answer
    x = 273,408.66

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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.