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Finding the Fourth Proportional to 625.66, 931.87 and 592.72

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Solution

The fourth proportional to 625.66, 931.87 and 592.72 is: 882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.66 : 931.87 = 592.72 : x
  2. Step 2: Convert to fraction form
    625.66/931.87 = 592.72/x
  3. Step 3: Cross multiply
    625.66x = 931.87 × 592.72
  4. Step 4: Simplify right side
    625.66x = 552,336.85
  5. Step 5: Solve for x
    x = 552,336.85/625.66
  6. Step 6: Final answer
    x = 882.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.