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Finding the Fourth Proportional to 363,274.96, 501,244.32 and 212,342.80

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Solution

The fourth proportional to 363,274.96, 501,244.32 and 212,342.80 is: 292,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,274.96 : 501,244.32 = 212,342.80 : x
  2. Step 2: Convert to fraction form
    363,274.96/501,244.32 = 212,342.80/x
  3. Step 3: Cross multiply
    363,274.96x = 501,244.32 × 212,342.80
  4. Step 4: Simplify right side
    363,274.96x = 106,435,622,392.90
  5. Step 5: Solve for x
    x = 106,435,622,392.90/363,274.96
  6. Step 6: Final answer
    x = 292,989.15

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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.