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Finding the Fourth Proportional to 473.15, 710.07 and 267.89

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Solution

The fourth proportional to 473.15, 710.07 and 267.89 is: 402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.15 : 710.07 = 267.89 : x
  2. Step 2: Convert to fraction form
    473.15/710.07 = 267.89/x
  3. Step 3: Cross multiply
    473.15x = 710.07 × 267.89
  4. Step 4: Simplify right side
    473.15x = 190,217.10
  5. Step 5: Solve for x
    x = 190,217.10/473.15
  6. Step 6: Final answer
    x = 402.03

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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.