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Finding the Fourth Proportional to 359,343.60, 539,274.60 and 201,404.40

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Solution

The fourth proportional to 359,343.60, 539,274.60 and 201,404.40 is: 302,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,343.60 : 539,274.60 = 201,404.40 : x
  2. Step 2: Convert to fraction form
    359,343.60/539,274.60 = 201,404.40/x
  3. Step 3: Cross multiply
    359,343.60x = 539,274.60 × 201,404.40
  4. Step 4: Simplify right side
    359,343.60x = 108,612,277,248.24
  5. Step 5: Solve for x
    x = 108,612,277,248.24/359,343.60
  6. Step 6: Final answer
    x = 302,251.88

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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.