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Finding the Fourth Proportional to 480,140.97, 720,093.69 and 227,412.33

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Solution

The fourth proportional to 480,140.97, 720,093.69 and 227,412.33 is: 341,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,140.97 : 720,093.69 = 227,412.33 : x
  2. Step 2: Convert to fraction form
    480,140.97/720,093.69 = 227,412.33/x
  3. Step 3: Cross multiply
    480,140.97x = 720,093.69 × 227,412.33
  4. Step 4: Simplify right side
    480,140.97x = 163,758,183,861.20
  5. Step 5: Solve for x
    x = 163,758,183,861.20/480,140.97
  6. Step 6: Final answer
    x = 341,062.72

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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.