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Finding the Fourth Proportional to 624.89, 937.13 and 259.48

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Solution

The fourth proportional to 624.89, 937.13 and 259.48 is: 389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.89 : 937.13 = 259.48 : x
  2. Step 2: Convert to fraction form
    624.89/937.13 = 259.48/x
  3. Step 3: Cross multiply
    624.89x = 937.13 × 259.48
  4. Step 4: Simplify right side
    624.89x = 243,166.49
  5. Step 5: Solve for x
    x = 243,166.49/624.89
  6. Step 6: Final answer
    x = 389.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.