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Finding the Fourth Proportional to 695,862.62, 960,274.10 and 409,401.14

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Solution

The fourth proportional to 695,862.62, 960,274.10 and 409,401.14 is: 564,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,862.62 : 960,274.10 = 409,401.14 : x
  2. Step 2: Convert to fraction form
    695,862.62/960,274.10 = 409,401.14/x
  3. Step 3: Cross multiply
    695,862.62x = 960,274.10 × 409,401.14
  4. Step 4: Simplify right side
    695,862.62x = 393,137,311,252.47
  5. Step 5: Solve for x
    x = 393,137,311,252.47/695,862.62
  6. Step 6: Final answer
    x = 564,963.97

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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.