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Finding the Fourth Proportional to 585,915.53, 878,866.91 and 444,628.49

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Solution

The fourth proportional to 585,915.53, 878,866.91 and 444,628.49 is: 666,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,915.53 : 878,866.91 = 444,628.49 : x
  2. Step 2: Convert to fraction form
    585,915.53/878,866.91 = 444,628.49/x
  3. Step 3: Cross multiply
    585,915.53x = 878,866.91 × 444,628.49
  4. Step 4: Simplify right side
    585,915.53x = 390,769,267,097.77
  5. Step 5: Solve for x
    x = 390,769,267,097.77/585,915.53
  6. Step 6: Final answer
    x = 666,937.90

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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.