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Finding the Fourth Proportional to 264,746.20, 397,289.40 and 146,502.40

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Solution

The fourth proportional to 264,746.20, 397,289.40 and 146,502.40 is: 219,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,746.20 : 397,289.40 = 146,502.40 : x
  2. Step 2: Convert to fraction form
    264,746.20/397,289.40 = 146,502.40/x
  3. Step 3: Cross multiply
    264,746.20x = 397,289.40 × 146,502.40
  4. Step 4: Simplify right side
    264,746.20x = 58,203,850,594.56
  5. Step 5: Solve for x
    x = 58,203,850,594.56/264,746.20
  6. Step 6: Final answer
    x = 219,847.73

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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.