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Finding the Fourth Proportional to 527.04, 726.44 and 482.92

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Solution

The fourth proportional to 527.04, 726.44 and 482.92 is: 665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.04 : 726.44 = 482.92 : x
  2. Step 2: Convert to fraction form
    527.04/726.44 = 482.92/x
  3. Step 3: Cross multiply
    527.04x = 726.44 × 482.92
  4. Step 4: Simplify right side
    527.04x = 350,812.40
  5. Step 5: Solve for x
    x = 350,812.40/527.04
  6. Step 6: Final answer
    x = 665.63

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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.