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Finding the Fourth Proportional to 473.66, 710.08 and 268.53

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Solution

The fourth proportional to 473.66, 710.08 and 268.53 is: 402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.66 : 710.08 = 268.53 : x
  2. Step 2: Convert to fraction form
    473.66/710.08 = 268.53/x
  3. Step 3: Cross multiply
    473.66x = 710.08 × 268.53
  4. Step 4: Simplify right side
    473.66x = 190,674.45
  5. Step 5: Solve for x
    x = 190,674.45/473.66
  6. Step 6: Final answer
    x = 402.56

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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.