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Finding the Fourth Proportional to 632.34, 947.43 and 534.74

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Solution

The fourth proportional to 632.34, 947.43 and 534.74 is: 801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.34 : 947.43 = 534.74 : x
  2. Step 2: Convert to fraction form
    632.34/947.43 = 534.74/x
  3. Step 3: Cross multiply
    632.34x = 947.43 × 534.74
  4. Step 4: Simplify right side
    632.34x = 506,623.98
  5. Step 5: Solve for x
    x = 506,623.98/632.34
  6. Step 6: Final answer
    x = 801.19

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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.