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Finding the Fourth Proportional to 440.16, 607.41 and 240.99

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Solution

The fourth proportional to 440.16, 607.41 and 240.99 is: 332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.16 : 607.41 = 240.99 : x
  2. Step 2: Convert to fraction form
    440.16/607.41 = 240.99/x
  3. Step 3: Cross multiply
    440.16x = 607.41 × 240.99
  4. Step 4: Simplify right side
    440.16x = 146,379.74
  5. Step 5: Solve for x
    x = 146,379.74/440.16
  6. Step 6: Final answer
    x = 332.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.