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Finding the Fourth Proportional to 583.65, 876.02 and 400.59

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Solution

The fourth proportional to 583.65, 876.02 and 400.59 is: 601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.65 : 876.02 = 400.59 : x
  2. Step 2: Convert to fraction form
    583.65/876.02 = 400.59/x
  3. Step 3: Cross multiply
    583.65x = 876.02 × 400.59
  4. Step 4: Simplify right side
    583.65x = 350,922.85
  5. Step 5: Solve for x
    x = 350,922.85/583.65
  6. Step 6: Final answer
    x = 601.26

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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.