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Finding the Fourth Proportional to 216,726.40, 325,089.60 and 179,862.40

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Solution

The fourth proportional to 216,726.40, 325,089.60 and 179,862.40 is: 269,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,726.40 : 325,089.60 = 179,862.40 : x
  2. Step 2: Convert to fraction form
    216,726.40/325,089.60 = 179,862.40/x
  3. Step 3: Cross multiply
    216,726.40x = 325,089.60 × 179,862.40
  4. Step 4: Simplify right side
    216,726.40x = 58,471,395,671.04
  5. Step 5: Solve for x
    x = 58,471,395,671.04/216,726.40
  6. Step 6: Final answer
    x = 269,793.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.