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Finding the Fourth Proportional to 473.64, 710.58 and 242.44

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Solution

The fourth proportional to 473.64, 710.58 and 242.44 is: 363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.64 : 710.58 = 242.44 : x
  2. Step 2: Convert to fraction form
    473.64/710.58 = 242.44/x
  3. Step 3: Cross multiply
    473.64x = 710.58 × 242.44
  4. Step 4: Simplify right side
    473.64x = 172,273.02
  5. Step 5: Solve for x
    x = 172,273.02/473.64
  6. Step 6: Final answer
    x = 363.72

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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.