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Finding the Fourth Proportional to 565.50, 848.40 and 180.76

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Solution

The fourth proportional to 565.50, 848.40 and 180.76 is: 271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.50 : 848.40 = 180.76 : x
  2. Step 2: Convert to fraction form
    565.50/848.40 = 180.76/x
  3. Step 3: Cross multiply
    565.50x = 848.40 × 180.76
  4. Step 4: Simplify right side
    565.50x = 153,356.78
  5. Step 5: Solve for x
    x = 153,356.78/565.50
  6. Step 6: Final answer
    x = 271.19

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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.