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Finding the Fourth Proportional to 341,737.40, 513,027.30 and 215,377.40

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Solution

The fourth proportional to 341,737.40, 513,027.30 and 215,377.40 is: 323,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,737.40 : 513,027.30 = 215,377.40 : x
  2. Step 2: Convert to fraction form
    341,737.40/513,027.30 = 215,377.40/x
  3. Step 3: Cross multiply
    341,737.40x = 513,027.30 × 215,377.40
  4. Step 4: Simplify right side
    341,737.40x = 110,494,486,003.02
  5. Step 5: Solve for x
    x = 110,494,486,003.02/341,737.40
  6. Step 6: Final answer
    x = 323,331.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.