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Finding the Fourth Proportional to 973.88, 1,344.20 and 601.17

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Solution

The fourth proportional to 973.88, 1,344.20 and 601.17 is: 829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.88 : 1,344.20 = 601.17 : x
  2. Step 2: Convert to fraction form
    973.88/1,344.20 = 601.17/x
  3. Step 3: Cross multiply
    973.88x = 1,344.20 × 601.17
  4. Step 4: Simplify right side
    973.88x = 808,084.67
  5. Step 5: Solve for x
    x = 808,084.67/973.88
  6. Step 6: Final answer
    x = 829.76

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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.