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Finding the Fourth Proportional to 220,510.88, 304,476.42 and 169,443.11

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Solution

The fourth proportional to 220,510.88, 304,476.42 and 169,443.11 is: 233,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,510.88 : 304,476.42 = 169,443.11 : x
  2. Step 2: Convert to fraction form
    220,510.88/304,476.42 = 169,443.11/x
  3. Step 3: Cross multiply
    220,510.88x = 304,476.42 × 169,443.11
  4. Step 4: Simplify right side
    220,510.88x = 51,591,432,287.66
  5. Step 5: Solve for x
    x = 51,591,432,287.66/220,510.88
  6. Step 6: Final answer
    x = 233,963.21

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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.