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Finding the Fourth Proportional to 632.02, 947.76 and 358.24

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Solution

The fourth proportional to 632.02, 947.76 and 358.24 is: 537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.02 : 947.76 = 358.24 : x
  2. Step 2: Convert to fraction form
    632.02/947.76 = 358.24/x
  3. Step 3: Cross multiply
    632.02x = 947.76 × 358.24
  4. Step 4: Simplify right side
    632.02x = 339,525.54
  5. Step 5: Solve for x
    x = 339,525.54/632.02
  6. Step 6: Final answer
    x = 537.21

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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.