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Finding the Fourth Proportional to 486,282.76, 671,104.02 and 271,464.76

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Solution

The fourth proportional to 486,282.76, 671,104.02 and 271,464.76 is: 374,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,282.76 : 671,104.02 = 271,464.76 : x
  2. Step 2: Convert to fraction form
    486,282.76/671,104.02 = 271,464.76/x
  3. Step 3: Cross multiply
    486,282.76x = 671,104.02 × 271,464.76
  4. Step 4: Simplify right side
    486,282.76x = 182,181,091,724.34
  5. Step 5: Solve for x
    x = 182,181,091,724.34/486,282.76
  6. Step 6: Final answer
    x = 374,640.24

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Double scale
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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.