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Finding the Fourth Proportional to 349,842.24, 524,854.08 and 150,128.64

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Solution

The fourth proportional to 349,842.24, 524,854.08 and 150,128.64 is: 225,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,842.24 : 524,854.08 = 150,128.64 : x
  2. Step 2: Convert to fraction form
    349,842.24/524,854.08 = 150,128.64/x
  3. Step 3: Cross multiply
    349,842.24x = 524,854.08 × 150,128.64
  4. Step 4: Simplify right side
    349,842.24x = 78,795,629,228.85
  5. Step 5: Solve for x
    x = 78,795,629,228.85/349,842.24
  6. Step 6: Final answer
    x = 225,231.89

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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.