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Finding the Fourth Proportional to 269,088.44, 371,342.34 and 155,976.92

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Solution

The fourth proportional to 269,088.44, 371,342.34 and 155,976.92 is: 215,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,088.44 : 371,342.34 = 155,976.92 : x
  2. Step 2: Convert to fraction form
    269,088.44/371,342.34 = 155,976.92/x
  3. Step 3: Cross multiply
    269,088.44x = 371,342.34 × 155,976.92
  4. Step 4: Simplify right side
    269,088.44x = 57,920,834,458.79
  5. Step 5: Solve for x
    x = 57,920,834,458.79/269,088.44
  6. Step 6: Final answer
    x = 215,248.32

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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.