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Finding the Fourth Proportional to 616.79, 924.72 and 373.25

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Solution

The fourth proportional to 616.79, 924.72 and 373.25 is: 559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.79 : 924.72 = 373.25 : x
  2. Step 2: Convert to fraction form
    616.79/924.72 = 373.25/x
  3. Step 3: Cross multiply
    616.79x = 924.72 × 373.25
  4. Step 4: Simplify right side
    616.79x = 345,147.12
  5. Step 5: Solve for x
    x = 345,147.12/616.79
  6. Step 6: Final answer
    x = 559.59

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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.