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Finding the Fourth Proportional to 444,443.37, 666,734.31 and 144,854.45

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Solution

The fourth proportional to 444,443.37, 666,734.31 and 144,854.45 is: 217,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,443.37 : 666,734.31 = 144,854.45 : x
  2. Step 2: Convert to fraction form
    444,443.37/666,734.31 = 144,854.45/x
  3. Step 3: Cross multiply
    444,443.37x = 666,734.31 × 144,854.45
  4. Step 4: Simplify right side
    444,443.37x = 96,579,428,437.51
  5. Step 5: Solve for x
    x = 96,579,428,437.51/444,443.37
  6. Step 6: Final answer
    x = 217,304.24

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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.