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Finding the Fourth Proportional to 666,127.04, 998,304.78 and 576,963.04

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Solution

The fourth proportional to 666,127.04, 998,304.78 and 576,963.04 is: 864,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,127.04 : 998,304.78 = 576,963.04 : x
  2. Step 2: Convert to fraction form
    666,127.04/998,304.78 = 576,963.04/x
  3. Step 3: Cross multiply
    666,127.04x = 998,304.78 × 576,963.04
  4. Step 4: Simplify right side
    666,127.04x = 575,984,960,715.33
  5. Step 5: Solve for x
    x = 575,984,960,715.33/666,127.04
  6. Step 6: Final answer
    x = 864,677.35

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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.