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Finding the Fourth Proportional to 529.66, 794.61 and 282.87

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Solution

The fourth proportional to 529.66, 794.61 and 282.87 is: 424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.66 : 794.61 = 282.87 : x
  2. Step 2: Convert to fraction form
    529.66/794.61 = 282.87/x
  3. Step 3: Cross multiply
    529.66x = 794.61 × 282.87
  4. Step 4: Simplify right side
    529.66x = 224,769.10
  5. Step 5: Solve for x
    x = 224,769.10/529.66
  6. Step 6: Final answer
    x = 424.36

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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.