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Finding the Fourth Proportional to 944.76, 1,416.32 and 482.24

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Solution

The fourth proportional to 944.76, 1,416.32 and 482.24 is: 722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.76 : 1,416.32 = 482.24 : x
  2. Step 2: Convert to fraction form
    944.76/1,416.32 = 482.24/x
  3. Step 3: Cross multiply
    944.76x = 1,416.32 × 482.24
  4. Step 4: Simplify right side
    944.76x = 683,006.16
  5. Step 5: Solve for x
    x = 683,006.16/944.76
  6. Step 6: Final answer
    x = 722.94

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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.