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Finding the Fourth Proportional to 359,272.04, 538,994.63 and 134,634.43

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Solution

The fourth proportional to 359,272.04, 538,994.63 and 134,634.43 is: 201,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,272.04 : 538,994.63 = 134,634.43 : x
  2. Step 2: Convert to fraction form
    359,272.04/538,994.63 = 134,634.43/x
  3. Step 3: Cross multiply
    359,272.04x = 538,994.63 × 134,634.43
  4. Step 4: Simplify right side
    359,272.04x = 72,567,233,772.21
  5. Step 5: Solve for x
    x = 72,567,233,772.21/359,272.04
  6. Step 6: Final answer
    x = 201,984.09

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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.