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Finding the Fourth Proportional to 381,902.24, 526,966.56 and 220,726.22

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Solution

The fourth proportional to 381,902.24, 526,966.56 and 220,726.22 is: 304,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,902.24 : 526,966.56 = 220,726.22 : x
  2. Step 2: Convert to fraction form
    381,902.24/526,966.56 = 220,726.22/x
  3. Step 3: Cross multiply
    381,902.24x = 526,966.56 × 220,726.22
  4. Step 4: Simplify right side
    381,902.24x = 116,315,334,220.37
  5. Step 5: Solve for x
    x = 116,315,334,220.37/381,902.24
  6. Step 6: Final answer
    x = 304,568.35

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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.