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Finding the Fourth Proportional to 1,363.83, 2,044.53 and 632.40

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Solution

The fourth proportional to 1,363.83, 2,044.53 and 632.40 is: 948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.83 : 2,044.53 = 632.40 : x
  2. Step 2: Convert to fraction form
    1,363.83/2,044.53 = 632.40/x
  3. Step 3: Cross multiply
    1,363.83x = 2,044.53 × 632.40
  4. Step 4: Simplify right side
    1,363.83x = 1,292,960.77
  5. Step 5: Solve for x
    x = 1,292,960.77/1,363.83
  6. Step 6: Final answer
    x = 948.04

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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.