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Finding the Fourth Proportional to 616.84, 925.38 and 370.26

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Solution

The fourth proportional to 616.84, 925.38 and 370.26 is: 555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.84 : 925.38 = 370.26 : x
  2. Step 2: Convert to fraction form
    616.84/925.38 = 370.26/x
  3. Step 3: Cross multiply
    616.84x = 925.38 × 370.26
  4. Step 4: Simplify right side
    616.84x = 342,631.20
  5. Step 5: Solve for x
    x = 342,631.20/616.84
  6. Step 6: Final answer
    x = 555.46

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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.