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Finding the Fourth Proportional to 622,793.30, 934,141.35 and 243,640.40

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Solution

The fourth proportional to 622,793.30, 934,141.35 and 243,640.40 is: 365,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,793.30 : 934,141.35 = 243,640.40 : x
  2. Step 2: Convert to fraction form
    622,793.30/934,141.35 = 243,640.40/x
  3. Step 3: Cross multiply
    622,793.30x = 934,141.35 × 243,640.40
  4. Step 4: Simplify right side
    622,793.30x = 227,594,572,170.54
  5. Step 5: Solve for x
    x = 227,594,572,170.54/622,793.30
  6. Step 6: Final answer
    x = 365,441.59

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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.