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Finding the Fourth Proportional to 996.96, 1,495.02 and 586.92

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Solution

The fourth proportional to 996.96, 1,495.02 and 586.92 is: 880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.96 : 1,495.02 = 586.92 : x
  2. Step 2: Convert to fraction form
    996.96/1,495.02 = 586.92/x
  3. Step 3: Cross multiply
    996.96x = 1,495.02 × 586.92
  4. Step 4: Simplify right side
    996.96x = 877,457.14
  5. Step 5: Solve for x
    x = 877,457.14/996.96
  6. Step 6: Final answer
    x = 880.13

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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.