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Finding the Fourth Proportional to 444,322.40, 666,580.80 and 144,816.80

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Solution

The fourth proportional to 444,322.40, 666,580.80 and 144,816.80 is: 217,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,322.40 : 666,580.80 = 144,816.80 : x
  2. Step 2: Convert to fraction form
    444,322.40/666,580.80 = 144,816.80/x
  3. Step 3: Cross multiply
    444,322.40x = 666,580.80 × 144,816.80
  4. Step 4: Simplify right side
    444,322.40x = 96,532,098,397.44
  5. Step 5: Solve for x
    x = 96,532,098,397.44/444,322.40
  6. Step 6: Final answer
    x = 217,256.88

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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.