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Finding the Fourth Proportional to 624,172.11, 861,952.40 and 590,167.70

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Solution

The fourth proportional to 624,172.11, 861,952.40 and 590,167.70 is: 814,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,172.11 : 861,952.40 = 590,167.70 : x
  2. Step 2: Convert to fraction form
    624,172.11/861,952.40 = 590,167.70/x
  3. Step 3: Cross multiply
    624,172.11x = 861,952.40 × 590,167.70
  4. Step 4: Simplify right side
    624,172.11x = 508,696,465,417.48
  5. Step 5: Solve for x
    x = 508,696,465,417.48/624,172.11
  6. Step 6: Final answer
    x = 814,993.91

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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.