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Finding the Fourth Proportional to 632.64, 949.56 and 593.76

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Solution

The fourth proportional to 632.64, 949.56 and 593.76 is: 891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.64 : 949.56 = 593.76 : x
  2. Step 2: Convert to fraction form
    632.64/949.56 = 593.76/x
  3. Step 3: Cross multiply
    632.64x = 949.56 × 593.76
  4. Step 4: Simplify right side
    632.64x = 563,810.75
  5. Step 5: Solve for x
    x = 563,810.75/632.64
  6. Step 6: Final answer
    x = 891.20

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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.