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Finding the Fourth Proportional to 370,967.39, 556,077.24 and 146,240.84

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Solution

The fourth proportional to 370,967.39, 556,077.24 and 146,240.84 is: 219,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,967.39 : 556,077.24 = 146,240.84 : x
  2. Step 2: Convert to fraction form
    370,967.39/556,077.24 = 146,240.84/x
  3. Step 3: Cross multiply
    370,967.39x = 556,077.24 × 146,240.84
  4. Step 4: Simplify right side
    370,967.39x = 81,321,202,682.48
  5. Step 5: Solve for x
    x = 81,321,202,682.48/370,967.39
  6. Step 6: Final answer
    x = 219,213.88

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1.5x scale

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.