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Finding the Fourth Proportional to 359,082.52, 538,637.40 and 134,419.32

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Solution

The fourth proportional to 359,082.52, 538,637.40 and 134,419.32 is: 201,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,082.52 : 538,637.40 = 134,419.32 : x
  2. Step 2: Convert to fraction form
    359,082.52/538,637.40 = 134,419.32/x
  3. Step 3: Cross multiply
    359,082.52x = 538,637.40 × 134,419.32
  4. Step 4: Simplify right side
    359,082.52x = 72,403,273,034.57
  5. Step 5: Solve for x
    x = 72,403,273,034.57/359,082.52
  6. Step 6: Final answer
    x = 201,634.08

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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.