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Finding the Fourth Proportional to 972.24, 1,341.71 and 599.46

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Solution

The fourth proportional to 972.24, 1,341.71 and 599.46 is: 827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    972.24 : 1,341.71 = 599.46 : x
  2. Step 2: Convert to fraction form
    972.24/1,341.71 = 599.46/x
  3. Step 3: Cross multiply
    972.24x = 1,341.71 × 599.46
  4. Step 4: Simplify right side
    972.24x = 804,306.61
  5. Step 5: Solve for x
    x = 804,306.61/972.24
  6. Step 6: Final answer
    x = 827.27

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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.