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Finding the Fourth Proportional to 618,233.10, 926,600.85 and 262,500.30

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Solution

The fourth proportional to 618,233.10, 926,600.85 and 262,500.30 is: 393,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,233.10 : 926,600.85 = 262,500.30 : x
  2. Step 2: Convert to fraction form
    618,233.10/926,600.85 = 262,500.30/x
  3. Step 3: Cross multiply
    618,233.10x = 926,600.85 × 262,500.30
  4. Step 4: Simplify right side
    618,233.10x = 243,233,001,105.26
  5. Step 5: Solve for x
    x = 243,233,001,105.26/618,233.10
  6. Step 6: Final answer
    x = 393,432.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.