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Finding the Fourth Proportional to 370,967.33, 556,077.15 and 146,240.78

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Solution

The fourth proportional to 370,967.33, 556,077.15 and 146,240.78 is: 219,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,967.33 : 556,077.15 = 146,240.78 : x
  2. Step 2: Convert to fraction form
    370,967.33/556,077.15 = 146,240.78/x
  3. Step 3: Cross multiply
    370,967.33x = 556,077.15 × 146,240.78
  4. Step 4: Simplify right side
    370,967.33x = 81,321,153,375.79
  5. Step 5: Solve for x
    x = 81,321,153,375.79/370,967.33
  6. Step 6: Final answer
    x = 219,213.79

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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.