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Finding the Fourth Proportional to 269,774.48, 372,288.85 and 148,915.84

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Solution

The fourth proportional to 269,774.48, 372,288.85 and 148,915.84 is: 205,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,774.48 : 372,288.85 = 148,915.84 : x
  2. Step 2: Convert to fraction form
    269,774.48/372,288.85 = 148,915.84/x
  3. Step 3: Cross multiply
    269,774.48x = 372,288.85 × 148,915.84
  4. Step 4: Simplify right side
    269,774.48x = 55,439,706,820.38
  5. Step 5: Solve for x
    x = 55,439,706,820.38/269,774.48
  6. Step 6: Final answer
    x = 205,503.90

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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.