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Finding the Fourth Proportional to 338,027.90, 506,877.80 and 169,475.80

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Solution

The fourth proportional to 338,027.90, 506,877.80 and 169,475.80 is: 254,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,027.90 : 506,877.80 = 169,475.80 : x
  2. Step 2: Convert to fraction form
    338,027.90/506,877.80 = 169,475.80/x
  3. Step 3: Cross multiply
    338,027.90x = 506,877.80 × 169,475.80
  4. Step 4: Simplify right side
    338,027.90x = 85,903,520,657.24
  5. Step 5: Solve for x
    x = 85,903,520,657.24/338,027.90
  6. Step 6: Final answer
    x = 254,131.45

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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.