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Finding the Fourth Proportional to 951, 1,426.66 and 482.72

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Solution

The fourth proportional to 951, 1,426.66 and 482.72 is: 724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    951 : 1,426.66 = 482.72 : x
  2. Step 2: Convert to fraction form
    951/1,426.66 = 482.72/x
  3. Step 3: Cross multiply
    951x = 1,426.66 × 482.72
  4. Step 4: Simplify right side
    951x = 688,677.32
  5. Step 5: Solve for x
    x = 688,677.32/951
  6. Step 6: Final answer
    x = 724.16

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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.