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Finding the Fourth Proportional to 450,863.36, 622,210.20 and 249,659.36

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Solution

The fourth proportional to 450,863.36, 622,210.20 and 249,659.36 is: 344,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,863.36 : 622,210.20 = 249,659.36 : x
  2. Step 2: Convert to fraction form
    450,863.36/622,210.20 = 249,659.36/x
  3. Step 3: Cross multiply
    450,863.36x = 622,210.20 × 249,659.36
  4. Step 4: Simplify right side
    450,863.36x = 155,340,600,317.47
  5. Step 5: Solve for x
    x = 155,340,600,317.47/450,863.36
  6. Step 6: Final answer
    x = 344,540.31

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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.