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Finding the Fourth Proportional to 267,653.82, 401,517.45 and 155,386.74

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Solution

The fourth proportional to 267,653.82, 401,517.45 and 155,386.74 is: 233,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,653.82 : 401,517.45 = 155,386.74 : x
  2. Step 2: Convert to fraction form
    267,653.82/401,517.45 = 155,386.74/x
  3. Step 3: Cross multiply
    267,653.82x = 401,517.45 × 155,386.74
  4. Step 4: Simplify right side
    267,653.82x = 62,390,487,608.61
  5. Step 5: Solve for x
    x = 62,390,487,608.61/267,653.82
  6. Step 6: Final answer
    x = 233,101.43

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1.5x scale

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.