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Finding the Fourth Proportional to 220,842.40, 331,263.60 and 150,858.40

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Solution

The fourth proportional to 220,842.40, 331,263.60 and 150,858.40 is: 226,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,842.40 : 331,263.60 = 150,858.40 : x
  2. Step 2: Convert to fraction form
    220,842.40/331,263.60 = 150,858.40/x
  3. Step 3: Cross multiply
    220,842.40x = 331,263.60 × 150,858.40
  4. Step 4: Simplify right side
    220,842.40x = 49,973,896,674.24
  5. Step 5: Solve for x
    x = 49,973,896,674.24/220,842.40
  6. Step 6: Final answer
    x = 226,287.60

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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.