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Finding the Fourth Proportional to 444,495.60, 666,955.62 and 207,803.88

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Solution

The fourth proportional to 444,495.60, 666,955.62 and 207,803.88 is: 311,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,495.60 : 666,955.62 = 207,803.88 : x
  2. Step 2: Convert to fraction form
    444,495.60/666,955.62 = 207,803.88/x
  3. Step 3: Cross multiply
    444,495.60x = 666,955.62 × 207,803.88
  4. Step 4: Simplify right side
    444,495.60x = 138,595,965,623.81
  5. Step 5: Solve for x
    x = 138,595,965,623.81/444,495.60
  6. Step 6: Final answer
    x = 311,805.03

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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.