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Finding the Fourth Proportional to 584,753.32, 806,959.35 and 316,481.32

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Solution

The fourth proportional to 584,753.32, 806,959.35 and 316,481.32 is: 436,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,753.32 : 806,959.35 = 316,481.32 : x
  2. Step 2: Convert to fraction form
    584,753.32/806,959.35 = 316,481.32/x
  3. Step 3: Cross multiply
    584,753.32x = 806,959.35 × 316,481.32
  4. Step 4: Simplify right side
    584,753.32x = 255,387,560,274.34
  5. Step 5: Solve for x
    x = 255,387,560,274.34/584,753.32
  6. Step 6: Final answer
    x = 436,744.10

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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.