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Finding the Fourth Proportional to 624,753.92, 861,515.98 and 534,408.96

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Solution

The fourth proportional to 624,753.92, 861,515.98 and 534,408.96 is: 736,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,753.92 : 861,515.98 = 534,408.96 : x
  2. Step 2: Convert to fraction form
    624,753.92/861,515.98 = 534,408.96/x
  3. Step 3: Cross multiply
    624,753.92x = 861,515.98 × 534,408.96
  4. Step 4: Simplify right side
    624,753.92x = 460,401,858,895.18
  5. Step 5: Solve for x
    x = 460,401,858,895.18/624,753.92
  6. Step 6: Final answer
    x = 736,933.13

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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.