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Finding the Fourth Proportional to 624.73, 937.72 and 461.93

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Solution

The fourth proportional to 624.73, 937.72 and 461.93 is: 693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.73 : 937.72 = 461.93 : x
  2. Step 2: Convert to fraction form
    624.73/937.72 = 461.93/x
  3. Step 3: Cross multiply
    624.73x = 937.72 × 461.93
  4. Step 4: Simplify right side
    624.73x = 433,158.69
  5. Step 5: Solve for x
    x = 433,158.69/624.73
  6. Step 6: Final answer
    x = 693.35

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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.