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Finding the Fourth Proportional to 451,649.94, 623,188.53 and 267,854.46

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Solution

The fourth proportional to 451,649.94, 623,188.53 and 267,854.46 is: 369,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,649.94 : 623,188.53 = 267,854.46 : x
  2. Step 2: Convert to fraction form
    451,649.94/623,188.53 = 267,854.46/x
  3. Step 3: Cross multiply
    451,649.94x = 623,188.53 × 267,854.46
  4. Step 4: Simplify right side
    451,649.94x = 166,923,827,181.34
  5. Step 5: Solve for x
    x = 166,923,827,181.34/451,649.94
  6. Step 6: Final answer
    x = 369,586.74

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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.