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Finding the Fourth Proportional to 344,649.60, 516,762.72 and 134,042.04

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Solution

The fourth proportional to 344,649.60, 516,762.72 and 134,042.04 is: 200,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,649.60 : 516,762.72 = 134,042.04 : x
  2. Step 2: Convert to fraction form
    344,649.60/516,762.72 = 134,042.04/x
  3. Step 3: Cross multiply
    344,649.60x = 516,762.72 × 134,042.04
  4. Step 4: Simplify right side
    344,649.60x = 69,267,929,184.75
  5. Step 5: Solve for x
    x = 69,267,929,184.75/344,649.60
  6. Step 6: Final answer
    x = 200,980.73

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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.