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Finding the Fourth Proportional to 473.62, 710.16 and 397.06

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Solution

The fourth proportional to 473.62, 710.16 and 397.06 is: 595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.62 : 710.16 = 397.06 : x
  2. Step 2: Convert to fraction form
    473.62/710.16 = 397.06/x
  3. Step 3: Cross multiply
    473.62x = 710.16 × 397.06
  4. Step 4: Simplify right side
    473.62x = 281,976.13
  5. Step 5: Solve for x
    x = 281,976.13/473.62
  6. Step 6: Final answer
    x = 595.36

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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.