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Finding the Fourth Proportional to 359,273.04, 538,996.13 and 134,635.43

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Solution

The fourth proportional to 359,273.04, 538,996.13 and 134,635.43 is: 201,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,273.04 : 538,996.13 = 134,635.43 : x
  2. Step 2: Convert to fraction form
    359,273.04/538,996.13 = 134,635.43/x
  3. Step 3: Cross multiply
    359,273.04x = 538,996.13 × 134,635.43
  4. Step 4: Simplify right side
    359,273.04x = 72,567,975,730.89
  5. Step 5: Solve for x
    x = 72,567,975,730.89/359,273.04
  6. Step 6: Final answer
    x = 201,985.59

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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.