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Finding the Fourth Proportional to 359,882.40, 539,564.40 and 202,159.20

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Solution

The fourth proportional to 359,882.40, 539,564.40 and 202,159.20 is: 303,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,882.40 : 539,564.40 = 202,159.20 : x
  2. Step 2: Convert to fraction form
    359,882.40/539,564.40 = 202,159.20/x
  3. Step 3: Cross multiply
    359,882.40x = 539,564.40 × 202,159.20
  4. Step 4: Simplify right side
    359,882.40x = 109,077,907,452.48
  5. Step 5: Solve for x
    x = 109,077,907,452.48/359,882.40
  6. Step 6: Final answer
    x = 303,093.20

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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.