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Finding the Fourth Proportional to 337,242.92, 465,612.20 and 216,436.28

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Solution

The fourth proportional to 337,242.92, 465,612.20 and 216,436.28 is: 298,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,242.92 : 465,612.20 = 216,436.28 : x
  2. Step 2: Convert to fraction form
    337,242.92/465,612.20 = 216,436.28/x
  3. Step 3: Cross multiply
    337,242.92x = 465,612.20 × 216,436.28
  4. Step 4: Simplify right side
    337,242.92x = 100,775,372,490.62
  5. Step 5: Solve for x
    x = 100,775,372,490.62/337,242.92
  6. Step 6: Final answer
    x = 298,821.31

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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.