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Finding the Fourth Proportional to 267,437.80, 369,015.78 and 171,922.60

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Solution

The fourth proportional to 267,437.80, 369,015.78 and 171,922.60 is: 237,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,437.80 : 369,015.78 = 171,922.60 : x
  2. Step 2: Convert to fraction form
    267,437.80/369,015.78 = 171,922.60/x
  3. Step 3: Cross multiply
    267,437.80x = 369,015.78 × 171,922.60
  4. Step 4: Simplify right side
    267,437.80x = 63,442,152,338.63
  5. Step 5: Solve for x
    x = 63,442,152,338.63/267,437.80
  6. Step 6: Final answer
    x = 237,222.08

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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.