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Finding the Fourth Proportional to 502.02, 748.61 and 467.40

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Solution

The fourth proportional to 502.02, 748.61 and 467.40 is: 696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.02 : 748.61 = 467.40 : x
  2. Step 2: Convert to fraction form
    502.02/748.61 = 467.40/x
  3. Step 3: Cross multiply
    502.02x = 748.61 × 467.40
  4. Step 4: Simplify right side
    502.02x = 349,897.98
  5. Step 5: Solve for x
    x = 349,897.98/502.02
  6. Step 6: Final answer
    x = 696.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.