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Finding the Fourth Proportional to 320,637.38, 480,951.21 and 110,277.14

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Solution

The fourth proportional to 320,637.38, 480,951.21 and 110,277.14 is: 165,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,637.38 : 480,951.21 = 110,277.14 : x
  2. Step 2: Convert to fraction form
    320,637.38/480,951.21 = 110,277.14/x
  3. Step 3: Cross multiply
    320,637.38x = 480,951.21 × 110,277.14
  4. Step 4: Simplify right side
    320,637.38x = 53,037,923,918.34
  5. Step 5: Solve for x
    x = 53,037,923,918.34/320,637.38
  6. Step 6: Final answer
    x = 165,414.04

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1.5x scale

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.