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Finding the Fourth Proportional to 287,266.46, 433,050.86 and 267,998.98

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Solution

The fourth proportional to 287,266.46, 433,050.86 and 267,998.98 is: 404,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,266.46 : 433,050.86 = 267,998.98 : x
  2. Step 2: Convert to fraction form
    287,266.46/433,050.86 = 267,998.98/x
  3. Step 3: Cross multiply
    287,266.46x = 433,050.86 × 267,998.98
  4. Step 4: Simplify right side
    287,266.46x = 116,057,188,768.12
  5. Step 5: Solve for x
    x = 116,057,188,768.12/287,266.46
  6. Step 6: Final answer
    x = 404,005.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.