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Finding the Fourth Proportional to 450,807.75, 622,114.70 and 249,616.71

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Solution

The fourth proportional to 450,807.75, 622,114.70 and 249,616.71 is: 344,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,807.75 : 622,114.70 = 249,616.71 : x
  2. Step 2: Convert to fraction form
    450,807.75/622,114.70 = 249,616.71/x
  3. Step 3: Cross multiply
    450,807.75x = 622,114.70 × 249,616.71
  4. Step 4: Simplify right side
    450,807.75x = 155,290,223,408.55
  5. Step 5: Solve for x
    x = 155,290,223,408.55/450,807.75
  6. Step 6: Final answer
    x = 344,471.06

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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.