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Finding the Fourth Proportional to 269,552.20, 403,745.10 and 144,747.40

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Solution

The fourth proportional to 269,552.20, 403,745.10 and 144,747.40 is: 216,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,552.20 : 403,745.10 = 144,747.40 : x
  2. Step 2: Convert to fraction form
    269,552.20/403,745.10 = 144,747.40/x
  3. Step 3: Cross multiply
    269,552.20x = 403,745.10 × 144,747.40
  4. Step 4: Simplify right side
    269,552.20x = 58,441,053,487.74
  5. Step 5: Solve for x
    x = 58,441,053,487.74/269,552.20
  6. Step 6: Final answer
    x = 216,807.93

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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.