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Finding the Fourth Proportional to 765,648.76, 1,148,385.58 and 204,727

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Solution

The fourth proportional to 765,648.76, 1,148,385.58 and 204,727 is: 307,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,648.76 : 1,148,385.58 = 204,727 : x
  2. Step 2: Convert to fraction form
    765,648.76/1,148,385.58 = 204,727/x
  3. Step 3: Cross multiply
    765,648.76x = 1,148,385.58 × 204,727
  4. Step 4: Simplify right side
    765,648.76x = 235,105,534,636.66
  5. Step 5: Solve for x
    x = 235,105,534,636.66/765,648.76
  6. Step 6: Final answer
    x = 307,067.09

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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.