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Finding the Fourth Proportional to 592.54, 887.79 and 477.72

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Solution

The fourth proportional to 592.54, 887.79 and 477.72 is: 715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.54 : 887.79 = 477.72 : x
  2. Step 2: Convert to fraction form
    592.54/887.79 = 477.72/x
  3. Step 3: Cross multiply
    592.54x = 887.79 × 477.72
  4. Step 4: Simplify right side
    592.54x = 424,115.30
  5. Step 5: Solve for x
    x = 424,115.30/592.54
  6. Step 6: Final answer
    x = 715.76

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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.