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Finding the Fourth Proportional to 444,607.08, 666,708.88 and 191,768.08

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Solution

The fourth proportional to 444,607.08, 666,708.88 and 191,768.08 is: 287,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,607.08 : 666,708.88 = 191,768.08 : x
  2. Step 2: Convert to fraction form
    444,607.08/666,708.88 = 191,768.08/x
  3. Step 3: Cross multiply
    444,607.08x = 666,708.88 × 191,768.08
  4. Step 4: Simplify right side
    444,607.08x = 127,853,481,836.55
  5. Step 5: Solve for x
    x = 127,853,481,836.55/444,607.08
  6. Step 6: Final answer
    x = 287,565.11

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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.