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Finding the Fourth Proportional to 218,726.20, 328,089.30 and 183,734.20

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Solution

The fourth proportional to 218,726.20, 328,089.30 and 183,734.20 is: 275,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,726.20 : 328,089.30 = 183,734.20 : x
  2. Step 2: Convert to fraction form
    218,726.20/328,089.30 = 183,734.20/x
  3. Step 3: Cross multiply
    218,726.20x = 328,089.30 × 183,734.20
  4. Step 4: Simplify right side
    218,726.20x = 60,281,225,064.06
  5. Step 5: Solve for x
    x = 60,281,225,064.06/218,726.20
  6. Step 6: Final answer
    x = 275,601.30

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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.