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Finding the Fourth Proportional to 922.52, 1,273.02 and 529.46

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Solution

The fourth proportional to 922.52, 1,273.02 and 529.46 is: 730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.52 : 1,273.02 = 529.46 : x
  2. Step 2: Convert to fraction form
    922.52/1,273.02 = 529.46/x
  3. Step 3: Cross multiply
    922.52x = 1,273.02 × 529.46
  4. Step 4: Simplify right side
    922.52x = 674,013.17
  5. Step 5: Solve for x
    x = 674,013.17/922.52
  6. Step 6: Final answer
    x = 730.62

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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.