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Finding the Fourth Proportional to 441,470.88, 609,249.81 and 260,190.45

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Solution

The fourth proportional to 441,470.88, 609,249.81 and 260,190.45 is: 359,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,470.88 : 609,249.81 = 260,190.45 : x
  2. Step 2: Convert to fraction form
    441,470.88/609,249.81 = 260,190.45/x
  3. Step 3: Cross multiply
    441,470.88x = 609,249.81 × 260,190.45
  4. Step 4: Simplify right side
    441,470.88x = 158,520,982,226.32
  5. Step 5: Solve for x
    x = 158,520,982,226.32/441,470.88
  6. Step 6: Final answer
    x = 359,074.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.