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Finding the Fourth Proportional to 585,935.70, 878,897.13 and 444,648.88

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Solution

The fourth proportional to 585,935.70, 878,897.13 and 444,648.88 is: 666,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,935.70 : 878,897.13 = 444,648.88 : x
  2. Step 2: Convert to fraction form
    585,935.70/878,897.13 = 444,648.88/x
  3. Step 3: Cross multiply
    585,935.70x = 878,897.13 × 444,648.88
  4. Step 4: Simplify right side
    585,935.70x = 390,800,624,489.71
  5. Step 5: Solve for x
    x = 390,800,624,489.71/585,935.70
  6. Step 6: Final answer
    x = 666,968.45

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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.