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Finding the Fourth Proportional to 451,287.78, 676,219.59 and 166,586.58

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Solution

The fourth proportional to 451,287.78, 676,219.59 and 166,586.58 is: 249,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,287.78 : 676,219.59 = 166,586.58 : x
  2. Step 2: Convert to fraction form
    451,287.78/676,219.59 = 166,586.58/x
  3. Step 3: Cross multiply
    451,287.78x = 676,219.59 × 166,586.58
  4. Step 4: Simplify right side
    451,287.78x = 112,649,108,827.10
  5. Step 5: Solve for x
    x = 112,649,108,827.10/451,287.78
  6. Step 6: Final answer
    x = 249,617.02

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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.