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Finding the Fourth Proportional to 922.70, 1,383.30 and 532.08

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Solution

The fourth proportional to 922.70, 1,383.30 and 532.08 is: 797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.70 : 1,383.30 = 532.08 : x
  2. Step 2: Convert to fraction form
    922.70/1,383.30 = 532.08/x
  3. Step 3: Cross multiply
    922.70x = 1,383.30 × 532.08
  4. Step 4: Simplify right side
    922.70x = 736,026.26
  5. Step 5: Solve for x
    x = 736,026.26/922.70
  6. Step 6: Final answer
    x = 797.69

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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.