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Finding the Fourth Proportional to 524.10, 723.22 and 376.99

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Solution

The fourth proportional to 524.10, 723.22 and 376.99 is: 520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.10 : 723.22 = 376.99 : x
  2. Step 2: Convert to fraction form
    524.10/723.22 = 376.99/x
  3. Step 3: Cross multiply
    524.10x = 723.22 × 376.99
  4. Step 4: Simplify right side
    524.10x = 272,646.71
  5. Step 5: Solve for x
    x = 272,646.71/524.10
  6. Step 6: Final answer
    x = 520.22

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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.