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Finding the Fourth Proportional to 682,248.56, 941,762.40 and 512,974.40

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Solution

The fourth proportional to 682,248.56, 941,762.40 and 512,974.40 is: 708,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,248.56 : 941,762.40 = 512,974.40 : x
  2. Step 2: Convert to fraction form
    682,248.56/941,762.40 = 512,974.40/x
  3. Step 3: Cross multiply
    682,248.56x = 941,762.40 × 512,974.40
  4. Step 4: Simplify right side
    682,248.56x = 483,100,002,082.56
  5. Step 5: Solve for x
    x = 483,100,002,082.56/682,248.56
  6. Step 6: Final answer
    x = 708,099.70

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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.