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Finding the Fourth Proportional to 395,301.04, 593,061.52 and 129,077.52

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Solution

The fourth proportional to 395,301.04, 593,061.52 and 129,077.52 is: 193,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,301.04 : 593,061.52 = 129,077.52 : x
  2. Step 2: Convert to fraction form
    395,301.04/593,061.52 = 129,077.52/x
  3. Step 3: Cross multiply
    395,301.04x = 593,061.52 × 129,077.52
  4. Step 4: Simplify right side
    395,301.04x = 76,550,910,209.03
  5. Step 5: Solve for x
    x = 76,550,910,209.03/395,301.04
  6. Step 6: Final answer
    x = 193,652.19

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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.