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Finding the Fourth Proportional to 359,352.82, 538,871.43 and 134,555.62

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Solution

The fourth proportional to 359,352.82, 538,871.43 and 134,555.62 is: 201,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,352.82 : 538,871.43 = 134,555.62 : x
  2. Step 2: Convert to fraction form
    359,352.82/538,871.43 = 134,555.62/x
  3. Step 3: Cross multiply
    359,352.82x = 538,871.43 × 134,555.62
  4. Step 4: Simplify right side
    359,352.82x = 72,508,179,363.94
  5. Step 5: Solve for x
    x = 72,508,179,363.94/359,352.82
  6. Step 6: Final answer
    x = 201,774.34

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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.