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Finding the Fourth Proportional to 1,148.63, 1,722.33 and 532.04

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Solution

The fourth proportional to 1,148.63, 1,722.33 and 532.04 is: 797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.63 : 1,722.33 = 532.04 : x
  2. Step 2: Convert to fraction form
    1,148.63/1,722.33 = 532.04/x
  3. Step 3: Cross multiply
    1,148.63x = 1,722.33 × 532.04
  4. Step 4: Simplify right side
    1,148.63x = 916,339.84
  5. Step 5: Solve for x
    x = 916,339.84/1,148.63
  6. Step 6: Final answer
    x = 797.77

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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.