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Finding the Fourth Proportional to 555.82, 767.10 and 473.29

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Solution

The fourth proportional to 555.82, 767.10 and 473.29 is: 653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.82 : 767.10 = 473.29 : x
  2. Step 2: Convert to fraction form
    555.82/767.10 = 473.29/x
  3. Step 3: Cross multiply
    555.82x = 767.10 × 473.29
  4. Step 4: Simplify right side
    555.82x = 363,060.76
  5. Step 5: Solve for x
    x = 363,060.76/555.82
  6. Step 6: Final answer
    x = 653.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.