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Finding the Fourth Proportional to 467,799.60, 645,518 and 263,882.64

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Solution

The fourth proportional to 467,799.60, 645,518 and 263,882.64 is: 364,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,799.60 : 645,518 = 263,882.64 : x
  2. Step 2: Convert to fraction form
    467,799.60/645,518 = 263,882.64/x
  3. Step 3: Cross multiply
    467,799.60x = 645,518 × 263,882.64
  4. Step 4: Simplify right side
    467,799.60x = 170,340,994,007.52
  5. Step 5: Solve for x
    x = 170,340,994,007.52/467,799.60
  6. Step 6: Final answer
    x = 364,132.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.