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Finding the Fourth Proportional to 450,913.50, 622,260.81 and 249,709.50

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Solution

The fourth proportional to 450,913.50, 622,260.81 and 249,709.50 is: 344,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,913.50 : 622,260.81 = 249,709.50 : x
  2. Step 2: Convert to fraction form
    450,913.50/622,260.81 = 249,709.50/x
  3. Step 3: Cross multiply
    450,913.50x = 622,260.81 × 249,709.50
  4. Step 4: Simplify right side
    450,913.50x = 155,384,435,734.70
  5. Step 5: Solve for x
    x = 155,384,435,734.70/450,913.50
  6. Step 6: Final answer
    x = 344,599.21

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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.