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Finding the Fourth Proportional to 267,231.55, 368,779.69 and 146,374.85

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Solution

The fourth proportional to 267,231.55, 368,779.69 and 146,374.85 is: 201,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,231.55 : 368,779.69 = 146,374.85 : x
  2. Step 2: Convert to fraction form
    267,231.55/368,779.69 = 146,374.85/x
  3. Step 3: Cross multiply
    267,231.55x = 368,779.69 × 146,374.85
  4. Step 4: Simplify right side
    267,231.55x = 53,980,071,806.80
  5. Step 5: Solve for x
    x = 53,980,071,806.80/267,231.55
  6. Step 6: Final answer
    x = 201,997.38

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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.