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Finding the Fourth Proportional to 444,729, 666,540.54 and 195,159.72

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Solution

The fourth proportional to 444,729, 666,540.54 and 195,159.72 is: 292,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,729 : 666,540.54 = 195,159.72 : x
  2. Step 2: Convert to fraction form
    444,729/666,540.54 = 195,159.72/x
  3. Step 3: Cross multiply
    444,729x = 666,540.54 × 195,159.72
  4. Step 4: Simplify right side
    444,729x = 130,081,865,155.05
  5. Step 5: Solve for x
    x = 130,081,865,155.05/444,729
  6. Step 6: Final answer
    x = 292,496.93

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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.