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Finding the Fourth Proportional to 380,752.01, 571,200.11 and 153,065.27

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Solution

The fourth proportional to 380,752.01, 571,200.11 and 153,065.27 is: 229,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,752.01 : 571,200.11 = 153,065.27 : x
  2. Step 2: Convert to fraction form
    380,752.01/571,200.11 = 153,065.27/x
  3. Step 3: Cross multiply
    380,752.01x = 571,200.11 × 153,065.27
  4. Step 4: Simplify right side
    380,752.01x = 87,430,895,439.85
  5. Step 5: Solve for x
    x = 87,430,895,439.85/380,752.01
  6. Step 6: Final answer
    x = 229,626.88

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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.