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Finding the Fourth Proportional to 269,407.53, 371,775.24 and 148,546.76

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Solution

The fourth proportional to 269,407.53, 371,775.24 and 148,546.76 is: 204,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,407.53 : 371,775.24 = 148,546.76 : x
  2. Step 2: Convert to fraction form
    269,407.53/371,775.24 = 148,546.76/x
  3. Step 3: Cross multiply
    269,407.53x = 371,775.24 × 148,546.76
  4. Step 4: Simplify right side
    269,407.53x = 55,226,005,491.35
  5. Step 5: Solve for x
    x = 55,226,005,491.35/269,407.53
  6. Step 6: Final answer
    x = 204,990.58

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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.