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Finding the Fourth Proportional to 451,293.42, 676,765.11 and 240,816.54

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Solution

The fourth proportional to 451,293.42, 676,765.11 and 240,816.54 is: 361,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,293.42 : 676,765.11 = 240,816.54 : x
  2. Step 2: Convert to fraction form
    451,293.42/676,765.11 = 240,816.54/x
  3. Step 3: Cross multiply
    451,293.42x = 676,765.11 × 240,816.54
  4. Step 4: Simplify right side
    451,293.42x = 162,976,232,182.92
  5. Step 5: Solve for x
    x = 162,976,232,182.92/451,293.42
  6. Step 6: Final answer
    x = 361,131.42

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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.