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Finding the Fourth Proportional to 450,955.71, 622,325.25 and 247,002.48

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Solution

The fourth proportional to 450,955.71, 622,325.25 and 247,002.48 is: 340,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,955.71 : 622,325.25 = 247,002.48 : x
  2. Step 2: Convert to fraction form
    450,955.71/622,325.25 = 247,002.48/x
  3. Step 3: Cross multiply
    450,955.71x = 622,325.25 × 247,002.48
  4. Step 4: Simplify right side
    450,955.71x = 153,715,880,116.62
  5. Step 5: Solve for x
    x = 153,715,880,116.62/450,955.71
  6. Step 6: Final answer
    x = 340,866.91

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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.