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Finding the Fourth Proportional to 624,171.61, 861,951.71 and 590,167.20

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Solution

The fourth proportional to 624,171.61, 861,951.71 and 590,167.20 is: 814,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,171.61 : 861,951.71 = 590,167.20 : x
  2. Step 2: Convert to fraction form
    624,171.61/861,951.71 = 590,167.20/x
  3. Step 3: Cross multiply
    624,171.61x = 861,951.71 × 590,167.20
  4. Step 4: Simplify right side
    624,171.61x = 508,695,627,225.91
  5. Step 5: Solve for x
    x = 508,695,627,225.91/624,171.61
  6. Step 6: Final answer
    x = 814,993.22

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1.5x scale

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.