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Finding the Fourth Proportional to 624,127.92, 861,233.76 and 352,170.96

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Solution

The fourth proportional to 624,127.92, 861,233.76 and 352,170.96 is: 485,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,127.92 : 861,233.76 = 352,170.96 : x
  2. Step 2: Convert to fraction form
    624,127.92/861,233.76 = 352,170.96/x
  3. Step 3: Cross multiply
    624,127.92x = 861,233.76 × 352,170.96
  4. Step 4: Simplify right side
    624,127.92x = 303,301,520,043.61
  5. Step 5: Solve for x
    x = 303,301,520,043.61/624,127.92
  6. Step 6: Final answer
    x = 485,960.51

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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.