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Finding the Fourth Proportional to 584,767.11, 807,005.47 and 323,159.21

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Solution

The fourth proportional to 584,767.11, 807,005.47 and 323,159.21 is: 445,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,767.11 : 807,005.47 = 323,159.21 : x
  2. Step 2: Convert to fraction form
    584,767.11/807,005.47 = 323,159.21/x
  3. Step 3: Cross multiply
    584,767.11x = 807,005.47 × 323,159.21
  4. Step 4: Simplify right side
    584,767.11x = 260,791,246,115.85
  5. Step 5: Solve for x
    x = 260,791,246,115.85/584,767.11
  6. Step 6: Final answer
    x = 445,974.55

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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.