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Finding the Fourth Proportional to 450,807.50, 622,114.35 and 249,616.46

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Solution

The fourth proportional to 450,807.50, 622,114.35 and 249,616.46 is: 344,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,807.50 : 622,114.35 = 249,616.46 : x
  2. Step 2: Convert to fraction form
    450,807.50/622,114.35 = 249,616.46/x
  3. Step 3: Cross multiply
    450,807.50x = 622,114.35 × 249,616.46
  4. Step 4: Simplify right side
    450,807.50x = 155,289,981,762.20
  5. Step 5: Solve for x
    x = 155,289,981,762.20/450,807.50
  6. Step 6: Final answer
    x = 344,470.71

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1.5x scale

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.