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Finding the Fourth Proportional to 675,948.73, 932,809.16 and 370,025.31

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Solution

The fourth proportional to 675,948.73, 932,809.16 and 370,025.31 is: 510,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,948.73 : 932,809.16 = 370,025.31 : x
  2. Step 2: Convert to fraction form
    675,948.73/932,809.16 = 370,025.31/x
  3. Step 3: Cross multiply
    675,948.73x = 932,809.16 × 370,025.31
  4. Step 4: Simplify right side
    675,948.73x = 345,162,999,524.90
  5. Step 5: Solve for x
    x = 345,162,999,524.90/675,948.73
  6. Step 6: Final answer
    x = 510,634.88

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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.