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Finding the Fourth Proportional to 440.16, 607.33 and 263.08

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Solution

The fourth proportional to 440.16, 607.33 and 263.08 is: 362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.16 : 607.33 = 263.08 : x
  2. Step 2: Convert to fraction form
    440.16/607.33 = 263.08/x
  3. Step 3: Cross multiply
    440.16x = 607.33 × 263.08
  4. Step 4: Simplify right side
    440.16x = 159,773.34
  5. Step 5: Solve for x
    x = 159,773.34/440.16
  6. Step 6: Final answer
    x = 362.99

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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.