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Finding the Fourth Proportional to 4,617,633.64, 6,927,571.42 and 1,422,759.72

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Solution

The fourth proportional to 4,617,633.64, 6,927,571.42 and 1,422,759.72 is: 2,134,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617,633.64 : 6,927,571.42 = 1,422,759.72 : x
  2. Step 2: Convert to fraction form
    4,617,633.64/6,927,571.42 = 1,422,759.72/x
  3. Step 3: Cross multiply
    4,617,633.64x = 6,927,571.42 × 1,422,759.72
  4. Step 4: Simplify right side
    4,617,633.64x = 9,856,269,573,799.20
  5. Step 5: Solve for x
    x = 9,856,269,573,799.20/4,617,633.64
  6. Step 6: Final answer
    x = 2,134,484.96

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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.