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Finding the Fourth Proportional to 359,649.54, 539,532.71 and 135,027.62

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Solution

The fourth proportional to 359,649.54, 539,532.71 and 135,027.62 is: 202,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,649.54 : 539,532.71 = 135,027.62 : x
  2. Step 2: Convert to fraction form
    359,649.54/539,532.71 = 135,027.62/x
  3. Step 3: Cross multiply
    359,649.54x = 539,532.71 × 135,027.62
  4. Step 4: Simplify right side
    359,649.54x = 72,851,817,743.45
  5. Step 5: Solve for x
    x = 72,851,817,743.45/359,649.54
  6. Step 6: Final answer
    x = 202,563.36

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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.