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Finding the Fourth Proportional to 381,760.89, 526,587.85 and 234,521.26

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Solution

The fourth proportional to 381,760.89, 526,587.85 and 234,521.26 is: 323,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,760.89 : 526,587.85 = 234,521.26 : x
  2. Step 2: Convert to fraction form
    381,760.89/526,587.85 = 234,521.26/x
  3. Step 3: Cross multiply
    381,760.89x = 526,587.85 × 234,521.26
  4. Step 4: Simplify right side
    381,760.89x = 123,496,046,082.69
  5. Step 5: Solve for x
    x = 123,496,046,082.69/381,760.89
  6. Step 6: Final answer
    x = 323,490.57

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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.