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Finding the Fourth Proportional to 952.40, 1,425.83 and 586.05

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Solution

The fourth proportional to 952.40, 1,425.83 and 586.05 is: 877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.40 : 1,425.83 = 586.05 : x
  2. Step 2: Convert to fraction form
    952.40/1,425.83 = 586.05/x
  3. Step 3: Cross multiply
    952.40x = 1,425.83 × 586.05
  4. Step 4: Simplify right side
    952.40x = 835,604.74
  5. Step 5: Solve for x
    x = 835,604.74/952.40
  6. Step 6: Final answer
    x = 877.37

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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.