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Finding the Fourth Proportional to 495,794.40, 743,171.76 and 242,725.92

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Solution

The fourth proportional to 495,794.40, 743,171.76 and 242,725.92 is: 363,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,794.40 : 743,171.76 = 242,725.92 : x
  2. Step 2: Convert to fraction form
    495,794.40/743,171.76 = 242,725.92/x
  3. Step 3: Cross multiply
    495,794.40x = 743,171.76 × 242,725.92
  4. Step 4: Simplify right side
    495,794.40x = 180,387,049,164.02
  5. Step 5: Solve for x
    x = 180,387,049,164.02/495,794.40
  6. Step 6: Final answer
    x = 363,834.38

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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.