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Finding the Fourth Proportional to 456.52, 630.02 and 260.03

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Solution

The fourth proportional to 456.52, 630.02 and 260.03 is: 358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.52 : 630.02 = 260.03 : x
  2. Step 2: Convert to fraction form
    456.52/630.02 = 260.03/x
  3. Step 3: Cross multiply
    456.52x = 630.02 × 260.03
  4. Step 4: Simplify right side
    456.52x = 163,819.65
  5. Step 5: Solve for x
    x = 163,819.65/456.52
  6. Step 6: Final answer
    x = 358.85

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