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Finding the Fourth Proportional to 338,844.95, 508,266.61 and 187,034.75

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Solution

The fourth proportional to 338,844.95, 508,266.61 and 187,034.75 is: 280,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,844.95 : 508,266.61 = 187,034.75 : x
  2. Step 2: Convert to fraction form
    338,844.95/508,266.61 = 187,034.75/x
  3. Step 3: Cross multiply
    338,844.95x = 508,266.61 × 187,034.75
  4. Step 4: Simplify right side
    338,844.95x = 95,063,515,325.78
  5. Step 5: Solve for x
    x = 95,063,515,325.78/338,844.95
  6. Step 6: Final answer
    x = 280,551.67

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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.