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Finding the Fourth Proportional to 338,023.89, 506,871.81 and 169,471.80

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Solution

The fourth proportional to 338,023.89, 506,871.81 and 169,471.80 is: 254,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,023.89 : 506,871.81 = 169,471.80 : x
  2. Step 2: Convert to fraction form
    338,023.89/506,871.81 = 169,471.80/x
  3. Step 3: Cross multiply
    338,023.89x = 506,871.81 × 169,471.80
  4. Step 4: Simplify right side
    338,023.89x = 85,900,478,009.96
  5. Step 5: Solve for x
    x = 85,900,478,009.96/338,023.89
  6. Step 6: Final answer
    x = 254,125.46

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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.