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Finding the Fourth Proportional to 359,687.70, 539,968.95 and 182,103.30

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Solution

The fourth proportional to 359,687.70, 539,968.95 and 182,103.30 is: 273,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,687.70 : 539,968.95 = 182,103.30 : x
  2. Step 2: Convert to fraction form
    359,687.70/539,968.95 = 182,103.30/x
  3. Step 3: Cross multiply
    359,687.70x = 539,968.95 × 182,103.30
  4. Step 4: Simplify right side
    359,687.70x = 98,330,127,692.54
  5. Step 5: Solve for x
    x = 98,330,127,692.54/359,687.70
  6. Step 6: Final answer
    x = 273,376.40

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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.