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Finding the Fourth Proportional to 495,263.52, 743,057.28 and 158,359.68

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Solution

The fourth proportional to 495,263.52, 743,057.28 and 158,359.68 is: 237,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,263.52 : 743,057.28 = 158,359.68 : x
  2. Step 2: Convert to fraction form
    495,263.52/743,057.28 = 158,359.68/x
  3. Step 3: Cross multiply
    495,263.52x = 743,057.28 × 158,359.68
  4. Step 4: Simplify right side
    495,263.52x = 117,670,313,082.47
  5. Step 5: Solve for x
    x = 117,670,313,082.47/495,263.52
  6. Step 6: Final answer
    x = 237,591.32

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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.