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Finding the Fourth Proportional to 595.17, 819.56 and 560.54

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Solution

The fourth proportional to 595.17, 819.56 and 560.54 is: 771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.17 : 819.56 = 560.54 : x
  2. Step 2: Convert to fraction form
    595.17/819.56 = 560.54/x
  3. Step 3: Cross multiply
    595.17x = 819.56 × 560.54
  4. Step 4: Simplify right side
    595.17x = 459,389.26
  5. Step 5: Solve for x
    x = 459,389.26/595.17
  6. Step 6: Final answer
    x = 771.86

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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.