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Finding the Fourth Proportional to 873, 1,306.71 and 597.69

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Solution

The fourth proportional to 873, 1,306.71 and 597.69 is: 894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    873 : 1,306.71 = 597.69 : x
  2. Step 2: Convert to fraction form
    873/1,306.71 = 597.69/x
  3. Step 3: Cross multiply
    873x = 1,306.71 × 597.69
  4. Step 4: Simplify right side
    873x = 781,007.50
  5. Step 5: Solve for x
    x = 781,007.50/873
  6. Step 6: Final answer
    x = 894.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.