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Finding the Fourth Proportional to 269,436.64, 371,843.76 and 148,588.96

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Solution

The fourth proportional to 269,436.64, 371,843.76 and 148,588.96 is: 205,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,436.64 : 371,843.76 = 148,588.96 : x
  2. Step 2: Convert to fraction form
    269,436.64/371,843.76 = 148,588.96/x
  3. Step 3: Cross multiply
    269,436.64x = 371,843.76 × 148,588.96
  4. Step 4: Simplify right side
    269,436.64x = 55,251,877,580.89
  5. Step 5: Solve for x
    x = 55,251,877,580.89/269,436.64
  6. Step 6: Final answer
    x = 205,064.45

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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.