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Finding the Fourth Proportional to 996.41, 1,495.53 and 534.71

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Solution

The fourth proportional to 996.41, 1,495.53 and 534.71 is: 802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.41 : 1,495.53 = 534.71 : x
  2. Step 2: Convert to fraction form
    996.41/1,495.53 = 534.71/x
  3. Step 3: Cross multiply
    996.41x = 1,495.53 × 534.71
  4. Step 4: Simplify right side
    996.41x = 799,674.85
  5. Step 5: Solve for x
    x = 799,674.85/996.41
  6. Step 6: Final answer
    x = 802.56

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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.