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Finding the Fourth Proportional to 267,453.59, 369,123.75 and 165,511.88

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Solution

The fourth proportional to 267,453.59, 369,123.75 and 165,511.88 is: 228,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,453.59 : 369,123.75 = 165,511.88 : x
  2. Step 2: Convert to fraction form
    267,453.59/369,123.75 = 165,511.88/x
  3. Step 3: Cross multiply
    267,453.59x = 369,123.75 × 165,511.88
  4. Step 4: Simplify right side
    267,453.59x = 61,094,365,353.75
  5. Step 5: Solve for x
    x = 61,094,365,353.75/267,453.59
  6. Step 6: Final answer
    x = 228,429.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.