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Finding the Fourth Proportional to 450,980.96, 622,331.61 and 247,032.79

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Solution

The fourth proportional to 450,980.96, 622,331.61 and 247,032.79 is: 340,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,980.96 : 622,331.61 = 247,032.79 : x
  2. Step 2: Convert to fraction form
    450,980.96/622,331.61 = 247,032.79/x
  3. Step 3: Cross multiply
    450,980.96x = 622,331.61 × 247,032.79
  4. Step 4: Simplify right side
    450,980.96x = 153,736,311,441.29
  5. Step 5: Solve for x
    x = 153,736,311,441.29/450,980.96
  6. Step 6: Final answer
    x = 340,893.13

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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.