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Finding the Fourth Proportional to 245,722.60, 338,885.22 and 191,924.20

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Solution

The fourth proportional to 245,722.60, 338,885.22 and 191,924.20 is: 264,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,722.60 : 338,885.22 = 191,924.20 : x
  2. Step 2: Convert to fraction form
    245,722.60/338,885.22 = 191,924.20/x
  3. Step 3: Cross multiply
    245,722.60x = 338,885.22 × 191,924.20
  4. Step 4: Simplify right side
    245,722.60x = 65,040,274,740.32
  5. Step 5: Solve for x
    x = 65,040,274,740.32/245,722.60
  6. Step 6: Final answer
    x = 264,689.84

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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.