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Finding the Fourth Proportional to 220,510.95, 304,476.52 and 169,443.18

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Solution

The fourth proportional to 220,510.95, 304,476.52 and 169,443.18 is: 233,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,510.95 : 304,476.52 = 169,443.18 : x
  2. Step 2: Convert to fraction form
    220,510.95/304,476.52 = 169,443.18/x
  3. Step 3: Cross multiply
    220,510.95x = 304,476.52 × 169,443.18
  4. Step 4: Simplify right side
    220,510.95x = 51,591,468,936.92
  5. Step 5: Solve for x
    x = 51,591,468,936.92/220,510.95
  6. Step 6: Final answer
    x = 233,963.30

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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.