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Finding the Fourth Proportional to 264,296.90, 396,441.80 and 64,619.00

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Solution

The fourth proportional to 264,296.90, 396,441.80 and 64,619.00 is: 96,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,296.90 : 396,441.80 = 64,619.00 : x
  2. Step 2: Convert to fraction form
    264,296.90/396,441.80 = 64,619.00/x
  3. Step 3: Cross multiply
    264,296.90x = 396,441.80 × 64,619.00
  4. Step 4: Simplify right side
    264,296.90x = 25,617,673,584.53
  5. Step 5: Solve for x
    x = 25,617,673,584.53/264,296.90
  6. Step 6: Final answer
    x = 96,927.64

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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.