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Finding the Fourth Proportional to 359,402.59, 538,946.58 and 134,605.42

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Solution

The fourth proportional to 359,402.59, 538,946.58 and 134,605.42 is: 201,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,402.59 : 538,946.58 = 134,605.42 : x
  2. Step 2: Convert to fraction form
    359,402.59/538,946.58 = 134,605.42/x
  3. Step 3: Cross multiply
    359,402.59x = 538,946.58 × 134,605.42
  4. Step 4: Simplify right side
    359,402.59x = 72,545,130,758.46
  5. Step 5: Solve for x
    x = 72,545,130,758.46/359,402.59
  6. Step 6: Final answer
    x = 201,849.22

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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.