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Finding the Fourth Proportional to 952.51, 1,428.77 and 586.53

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Solution

The fourth proportional to 952.51, 1,428.77 and 586.53 is: 879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.51 : 1,428.77 = 586.53 : x
  2. Step 2: Convert to fraction form
    952.51/1,428.77 = 586.53/x
  3. Step 3: Cross multiply
    952.51x = 1,428.77 × 586.53
  4. Step 4: Simplify right side
    952.51x = 838,013.54
  5. Step 5: Solve for x
    x = 838,013.54/952.51
  6. Step 6: Final answer
    x = 879.80

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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.