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Finding the Fourth Proportional to 332,081.37, 497,479.81 and 278,132.83

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Solution

The fourth proportional to 332,081.37, 497,479.81 and 278,132.83 is: 416,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,081.37 : 497,479.81 = 278,132.83 : x
  2. Step 2: Convert to fraction form
    332,081.37/497,479.81 = 278,132.83/x
  3. Step 3: Cross multiply
    332,081.37x = 497,479.81 × 278,132.83
  4. Step 4: Simplify right side
    332,081.37x = 138,365,467,423.16
  5. Step 5: Solve for x
    x = 138,365,467,423.16/332,081.37
  6. Step 6: Final answer
    x = 416,661.34

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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.