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Finding the Fourth Proportional to 288,089.46, 433,080.68 and 267,280.91

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Solution

The fourth proportional to 288,089.46, 433,080.68 and 267,280.91 is: 401,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,089.46 : 433,080.68 = 267,280.91 : x
  2. Step 2: Convert to fraction form
    288,089.46/433,080.68 = 267,280.91/x
  3. Step 3: Cross multiply
    288,089.46x = 433,080.68 × 267,280.91
  4. Step 4: Simplify right side
    288,089.46x = 115,754,198,812.14
  5. Step 5: Solve for x
    x = 115,754,198,812.14/288,089.46
  6. Step 6: Final answer
    x = 401,799.49

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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.