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Finding the Fourth Proportional to 311,058.30, 466,587.45 and 305,874.30

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Solution

The fourth proportional to 311,058.30, 466,587.45 and 305,874.30 is: 458,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,058.30 : 466,587.45 = 305,874.30 : x
  2. Step 2: Convert to fraction form
    311,058.30/466,587.45 = 305,874.30/x
  3. Step 3: Cross multiply
    311,058.30x = 466,587.45 × 305,874.30
  4. Step 4: Simplify right side
    311,058.30x = 142,717,109,657.54
  5. Step 5: Solve for x
    x = 142,717,109,657.54/311,058.30
  6. Step 6: Final answer
    x = 458,811.45

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Similar ratio
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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.