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Finding the Fourth Proportional to 503,869.42, 755,648.40 and 166,840.30

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Solution

The fourth proportional to 503,869.42, 755,648.40 and 166,840.30 is: 250,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,869.42 : 755,648.40 = 166,840.30 : x
  2. Step 2: Convert to fraction form
    503,869.42/755,648.40 = 166,840.30/x
  3. Step 3: Cross multiply
    503,869.42x = 755,648.40 × 166,840.30
  4. Step 4: Simplify right side
    503,869.42x = 126,072,605,750.52
  5. Step 5: Solve for x
    x = 126,072,605,750.52/503,869.42
  6. Step 6: Final answer
    x = 250,208.88

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1.5x scale

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.