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Finding the Fourth Proportional to 441,335.07, 662,002.56 and 125,783.78

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Solution

The fourth proportional to 441,335.07, 662,002.56 and 125,783.78 is: 188,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,335.07 : 662,002.56 = 125,783.78 : x
  2. Step 2: Convert to fraction form
    441,335.07/662,002.56 = 125,783.78/x
  3. Step 3: Cross multiply
    441,335.07x = 662,002.56 × 125,783.78
  4. Step 4: Simplify right side
    441,335.07x = 83,269,181,056.46
  5. Step 5: Solve for x
    x = 83,269,181,056.46/441,335.07
  6. Step 6: Final answer
    x = 188,675.65

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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.