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Finding the Fourth Proportional to 584,791.97, 807,015.35 and 316,519.97

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Solution

The fourth proportional to 584,791.97, 807,015.35 and 316,519.97 is: 436,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,791.97 : 807,015.35 = 316,519.97 : x
  2. Step 2: Convert to fraction form
    584,791.97/807,015.35 = 316,519.97/x
  3. Step 3: Cross multiply
    584,791.97x = 807,015.35 × 316,519.97
  4. Step 4: Simplify right side
    584,791.97x = 255,436,468,753.86
  5. Step 5: Solve for x
    x = 255,436,468,753.86/584,791.97
  6. Step 6: Final answer
    x = 436,798.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.