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Finding the Fourth Proportional to 313,371.54, 432,551.34 and 200,194.26

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Solution

The fourth proportional to 313,371.54, 432,551.34 and 200,194.26 is: 276,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,371.54 : 432,551.34 = 200,194.26 : x
  2. Step 2: Convert to fraction form
    313,371.54/432,551.34 = 200,194.26/x
  3. Step 3: Cross multiply
    313,371.54x = 432,551.34 × 200,194.26
  4. Step 4: Simplify right side
    313,371.54x = 86,594,295,423.31
  5. Step 5: Solve for x
    x = 86,594,295,423.31/313,371.54
  6. Step 6: Final answer
    x = 276,331.08

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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.