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Finding the Fourth Proportional to 522,499.50, 785,520.92 and 417,228.26

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Solution

The fourth proportional to 522,499.50, 785,520.92 and 417,228.26 is: 627,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,499.50 : 785,520.92 = 417,228.26 : x
  2. Step 2: Convert to fraction form
    522,499.50/785,520.92 = 417,228.26/x
  3. Step 3: Cross multiply
    522,499.50x = 785,520.92 × 417,228.26
  4. Step 4: Simplify right side
    522,499.50x = 327,741,526,645.20
  5. Step 5: Solve for x
    x = 327,741,526,645.20/522,499.50
  6. Step 6: Final answer
    x = 627,257.11

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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.