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Finding the Fourth Proportional to 267,442.80, 369,022.68 and 171,927.60

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Solution

The fourth proportional to 267,442.80, 369,022.68 and 171,927.60 is: 237,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,442.80 : 369,022.68 = 171,927.60 : x
  2. Step 2: Convert to fraction form
    267,442.80/369,022.68 = 171,927.60/x
  3. Step 3: Cross multiply
    267,442.80x = 369,022.68 × 171,927.60
  4. Step 4: Simplify right side
    267,442.80x = 63,445,183,717.97
  5. Step 5: Solve for x
    x = 63,445,183,717.97/267,442.80
  6. Step 6: Final answer
    x = 237,228.98

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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.