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Finding the Fourth Proportional to 1,663.49, 2,296.53 and 1,000.50

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Solution

The fourth proportional to 1,663.49, 2,296.53 and 1,000.50 is: 1,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.49 : 2,296.53 = 1,000.50 : x
  2. Step 2: Convert to fraction form
    1,663.49/2,296.53 = 1,000.50/x
  3. Step 3: Cross multiply
    1,663.49x = 2,296.53 × 1,000.50
  4. Step 4: Simplify right side
    1,663.49x = 2,297,678.27
  5. Step 5: Solve for x
    x = 2,297,678.27/1,663.49
  6. Step 6: Final answer
    x = 1,381.24

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Why These Related Problems?

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