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Finding the Fourth Proportional to 922.44, 1,273.08 and 529.46

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Solution

The fourth proportional to 922.44, 1,273.08 and 529.46 is: 730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.44 : 1,273.08 = 529.46 : x
  2. Step 2: Convert to fraction form
    922.44/1,273.08 = 529.46/x
  3. Step 3: Cross multiply
    922.44x = 1,273.08 × 529.46
  4. Step 4: Simplify right side
    922.44x = 674,048.12
  5. Step 5: Solve for x
    x = 674,048.12/922.44
  6. Step 6: Final answer
    x = 730.72

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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.