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Finding the Fourth Proportional to 624,358.02, 861,614.01 and 337,878.12

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Solution

The fourth proportional to 624,358.02, 861,614.01 and 337,878.12 is: 466,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,358.02 : 861,614.01 = 337,878.12 : x
  2. Step 2: Convert to fraction form
    624,358.02/861,614.01 = 337,878.12/x
  3. Step 3: Cross multiply
    624,358.02x = 861,614.01 × 337,878.12
  4. Step 4: Simplify right side
    624,358.02x = 291,120,521,864.46
  5. Step 5: Solve for x
    x = 291,120,521,864.46/624,358.02
  6. Step 6: Final answer
    x = 466,271.77

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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.