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Finding the Fourth Proportional to 944.92, 1,416.95 and 482.95

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Solution

The fourth proportional to 944.92, 1,416.95 and 482.95 is: 724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.92 : 1,416.95 = 482.95 : x
  2. Step 2: Convert to fraction form
    944.92/1,416.95 = 482.95/x
  3. Step 3: Cross multiply
    944.92x = 1,416.95 × 482.95
  4. Step 4: Simplify right side
    944.92x = 684,316.00
  5. Step 5: Solve for x
    x = 684,316.00/944.92
  6. Step 6: Final answer
    x = 724.21

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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.