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Finding the Fourth Proportional to 502.98, 753.13 and 355.93

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Solution

The fourth proportional to 502.98, 753.13 and 355.93 is: 532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.98 : 753.13 = 355.93 : x
  2. Step 2: Convert to fraction form
    502.98/753.13 = 355.93/x
  3. Step 3: Cross multiply
    502.98x = 753.13 × 355.93
  4. Step 4: Simplify right side
    502.98x = 268,061.56
  5. Step 5: Solve for x
    x = 268,061.56/502.98
  6. Step 6: Final answer
    x = 532.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.