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Finding the Fourth Proportional to 973.86, 1,344 and 580.92

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Solution

The fourth proportional to 973.86, 1,344 and 580.92 is: 801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.86 : 1,344 = 580.92 : x
  2. Step 2: Convert to fraction form
    973.86/1,344 = 580.92/x
  3. Step 3: Cross multiply
    973.86x = 1,344 × 580.92
  4. Step 4: Simplify right side
    973.86x = 780,756.48
  5. Step 5: Solve for x
    x = 780,756.48/973.86
  6. Step 6: Final answer
    x = 801.71

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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.