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Finding the Fourth Proportional to 451,138.95, 676,655.73 and 181,256.16

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Solution

The fourth proportional to 451,138.95, 676,655.73 and 181,256.16 is: 271,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,138.95 : 676,655.73 = 181,256.16 : x
  2. Step 2: Convert to fraction form
    451,138.95/676,655.73 = 181,256.16/x
  3. Step 3: Cross multiply
    451,138.95x = 676,655.73 × 181,256.16
  4. Step 4: Simplify right side
    451,138.95x = 122,648,019,261.80
  5. Step 5: Solve for x
    x = 122,648,019,261.80/451,138.95
  6. Step 6: Final answer
    x = 271,863.07

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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.