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Finding the Fourth Proportional to 395,039.68, 592,633.24 and 158,400.88

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Solution

The fourth proportional to 395,039.68, 592,633.24 and 158,400.88 is: 237,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,039.68 : 592,633.24 = 158,400.88 : x
  2. Step 2: Convert to fraction form
    395,039.68/592,633.24 = 158,400.88/x
  3. Step 3: Cross multiply
    395,039.68x = 592,633.24 × 158,400.88
  4. Step 4: Simplify right side
    395,039.68x = 93,873,626,733.25
  5. Step 5: Solve for x
    x = 93,873,626,733.25/395,039.68
  6. Step 6: Final answer
    x = 237,630.88

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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.