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Finding the Fourth Proportional to 338,903.71, 507,781.48 and 224,971.95

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Solution

The fourth proportional to 338,903.71, 507,781.48 and 224,971.95 is: 337,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,903.71 : 507,781.48 = 224,971.95 : x
  2. Step 2: Convert to fraction form
    338,903.71/507,781.48 = 224,971.95/x
  3. Step 3: Cross multiply
    338,903.71x = 507,781.48 × 224,971.95
  4. Step 4: Simplify right side
    338,903.71x = 114,236,589,729.49
  5. Step 5: Solve for x
    x = 114,236,589,729.49/338,903.71
  6. Step 6: Final answer
    x = 337,076.83

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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.