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Finding the Fourth Proportional to 264,295.96, 396,440.39 and 64,618.07

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Solution

The fourth proportional to 264,295.96, 396,440.39 and 64,618.07 is: 96,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,295.96 : 396,440.39 = 64,618.07 : x
  2. Step 2: Convert to fraction form
    264,295.96/396,440.39 = 64,618.07/x
  3. Step 3: Cross multiply
    264,295.96x = 396,440.39 × 64,618.07
  4. Step 4: Simplify right side
    264,295.96x = 25,617,211,051.19
  5. Step 5: Solve for x
    x = 25,617,211,051.19/264,295.96
  6. Step 6: Final answer
    x = 96,926.23

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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.