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Finding the Fourth Proportional to 424.76, 586.03 and 250.07

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Solution

The fourth proportional to 424.76, 586.03 and 250.07 is: 345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.76 : 586.03 = 250.07 : x
  2. Step 2: Convert to fraction form
    424.76/586.03 = 250.07/x
  3. Step 3: Cross multiply
    424.76x = 586.03 × 250.07
  4. Step 4: Simplify right side
    424.76x = 146,548.52
  5. Step 5: Solve for x
    x = 146,548.52/424.76
  6. Step 6: Final answer
    x = 345.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.