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Finding the Fourth Proportional to 585,857.92, 878,780.49 and 444,570.88

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Solution

The fourth proportional to 585,857.92, 878,780.49 and 444,570.88 is: 666,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,857.92 : 878,780.49 = 444,570.88 : x
  2. Step 2: Convert to fraction form
    585,857.92/878,780.49 = 444,570.88/x
  3. Step 3: Cross multiply
    585,857.92x = 878,780.49 × 444,570.88
  4. Step 4: Simplify right side
    585,857.92x = 390,680,215,766.13
  5. Step 5: Solve for x
    x = 390,680,215,766.13/585,857.92
  6. Step 6: Final answer
    x = 666,851.47

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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.