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Finding the Fourth Proportional to 624,754.92, 861,517.38 and 534,409.98

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Solution

The fourth proportional to 624,754.92, 861,517.38 and 534,409.98 is: 736,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,754.92 : 861,517.38 = 534,409.98 : x
  2. Step 2: Convert to fraction form
    624,754.92/861,517.38 = 534,409.98/x
  3. Step 3: Cross multiply
    624,754.92x = 861,517.38 × 534,409.98
  4. Step 4: Simplify right side
    624,754.92x = 460,403,485,815.45
  5. Step 5: Solve for x
    x = 460,403,485,815.45/624,754.92
  6. Step 6: Final answer
    x = 736,934.55

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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.