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Finding the Fourth Proportional to 451,466.65, 623,023.81 and 247,513.19

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Solution

The fourth proportional to 451,466.65, 623,023.81 and 247,513.19 is: 341,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,466.65 : 623,023.81 = 247,513.19 : x
  2. Step 2: Convert to fraction form
    451,466.65/623,023.81 = 247,513.19/x
  3. Step 3: Cross multiply
    451,466.65x = 623,023.81 × 247,513.19
  4. Step 4: Simplify right side
    451,466.65x = 154,206,610,659.05
  5. Step 5: Solve for x
    x = 154,206,610,659.05/451,466.65
  6. Step 6: Final answer
    x = 341,568.11

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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.