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Finding the Fourth Proportional to 944.70, 1,417.08 and 396.88

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Solution

The fourth proportional to 944.70, 1,417.08 and 396.88 is: 595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.70 : 1,417.08 = 396.88 : x
  2. Step 2: Convert to fraction form
    944.70/1,417.08 = 396.88/x
  3. Step 3: Cross multiply
    944.70x = 1,417.08 × 396.88
  4. Step 4: Simplify right side
    944.70x = 562,410.71
  5. Step 5: Solve for x
    x = 562,410.71/944.70
  6. Step 6: Final answer
    x = 595.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.