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Finding the Fourth Proportional to 404,472.75, 558,374.47 and 251,560.23

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Solution

The fourth proportional to 404,472.75, 558,374.47 and 251,560.23 is: 347,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,472.75 : 558,374.47 = 251,560.23 : x
  2. Step 2: Convert to fraction form
    404,472.75/558,374.47 = 251,560.23/x
  3. Step 3: Cross multiply
    404,472.75x = 558,374.47 × 251,560.23
  4. Step 4: Simplify right side
    404,472.75x = 140,464,810,099.33
  5. Step 5: Solve for x
    x = 140,464,810,099.33/404,472.75
  6. Step 6: Final answer
    x = 347,278.80

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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.