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Finding the Fourth Proportional to 526,686.24, 726,829.52 and 297,253.20

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Solution

The fourth proportional to 526,686.24, 726,829.52 and 297,253.20 is: 410,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,686.24 : 726,829.52 = 297,253.20 : x
  2. Step 2: Convert to fraction form
    526,686.24/726,829.52 = 297,253.20/x
  3. Step 3: Cross multiply
    526,686.24x = 726,829.52 × 297,253.20
  4. Step 4: Simplify right side
    526,686.24x = 216,052,396,454.73
  5. Step 5: Solve for x
    x = 216,052,396,454.73/526,686.24
  6. Step 6: Final answer
    x = 410,210.82

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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.