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Finding the Fourth Proportional to 944.48, 1,417.22 and 359.88

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Solution

The fourth proportional to 944.48, 1,417.22 and 359.88 is: 540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.48 : 1,417.22 = 359.88 : x
  2. Step 2: Convert to fraction form
    944.48/1,417.22 = 359.88/x
  3. Step 3: Cross multiply
    944.48x = 1,417.22 × 359.88
  4. Step 4: Simplify right side
    944.48x = 510,029.13
  5. Step 5: Solve for x
    x = 510,029.13/944.48
  6. Step 6: Final answer
    x = 540.01

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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.