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Finding the Fourth Proportional to 270,015.30, 404,828.55 and 151,722.90

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Solution

The fourth proportional to 270,015.30, 404,828.55 and 151,722.90 is: 227,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,015.30 : 404,828.55 = 151,722.90 : x
  2. Step 2: Convert to fraction form
    270,015.30/404,828.55 = 151,722.90/x
  3. Step 3: Cross multiply
    270,015.30x = 404,828.55 × 151,722.90
  4. Step 4: Simplify right side
    270,015.30x = 61,421,761,608.80
  5. Step 5: Solve for x
    x = 61,421,761,608.80/270,015.30
  6. Step 6: Final answer
    x = 227,475.12

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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.