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Finding the Fourth Proportional to 218,794.05, 328,190.97 and 52,582.05

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Solution

The fourth proportional to 218,794.05, 328,190.97 and 52,582.05 is: 78,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,794.05 : 328,190.97 = 52,582.05 : x
  2. Step 2: Convert to fraction form
    218,794.05/328,190.97 = 52,582.05/x
  3. Step 3: Cross multiply
    218,794.05x = 328,190.97 × 52,582.05
  4. Step 4: Simplify right side
    218,794.05x = 17,256,953,994.09
  5. Step 5: Solve for x
    x = 17,256,953,994.09/218,794.05
  6. Step 6: Final answer
    x = 78,873.05

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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.