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Finding the Fourth Proportional to 944.17, 1,416.13 and 359.01

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Solution

The fourth proportional to 944.17, 1,416.13 and 359.01 is: 538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.17 : 1,416.13 = 359.01 : x
  2. Step 2: Convert to fraction form
    944.17/1,416.13 = 359.01/x
  3. Step 3: Cross multiply
    944.17x = 1,416.13 × 359.01
  4. Step 4: Simplify right side
    944.17x = 508,403.93
  5. Step 5: Solve for x
    x = 508,403.93/944.17
  6. Step 6: Final answer
    x = 538.47

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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.