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Finding the Fourth Proportional to 865,686, 1,194,624.41 and 483,715.92

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Solution

The fourth proportional to 865,686, 1,194,624.41 and 483,715.92 is: 667,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,686 : 1,194,624.41 = 483,715.92 : x
  2. Step 2: Convert to fraction form
    865,686/1,194,624.41 = 483,715.92/x
  3. Step 3: Cross multiply
    865,686x = 1,194,624.41 × 483,715.92
  4. Step 4: Simplify right side
    865,686x = 577,858,843,119.03
  5. Step 5: Solve for x
    x = 577,858,843,119.03/865,686
  6. Step 6: Final answer
    x = 667,515.52

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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.