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Finding the Fourth Proportional to 269,257.98, 371,560.84 and 148,398.89

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Solution

The fourth proportional to 269,257.98, 371,560.84 and 148,398.89 is: 204,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,257.98 : 371,560.84 = 148,398.89 : x
  2. Step 2: Convert to fraction form
    269,257.98/371,560.84 = 148,398.89/x
  3. Step 3: Cross multiply
    269,257.98x = 371,560.84 × 148,398.89
  4. Step 4: Simplify right side
    269,257.98x = 55,139,216,223.47
  5. Step 5: Solve for x
    x = 55,139,216,223.47/269,257.98
  6. Step 6: Final answer
    x = 204,782.11

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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.