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Finding the Fourth Proportional to 598,074.60, 825,343.10 and 326,135.50

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Solution

The fourth proportional to 598,074.60, 825,343.10 and 326,135.50 is: 450,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,074.60 : 825,343.10 = 326,135.50 : x
  2. Step 2: Convert to fraction form
    598,074.60/825,343.10 = 326,135.50/x
  3. Step 3: Cross multiply
    598,074.60x = 825,343.10 × 326,135.50
  4. Step 4: Simplify right side
    598,074.60x = 269,173,684,590.05
  5. Step 5: Solve for x
    x = 269,173,684,590.05/598,074.60
  6. Step 6: Final answer
    x = 450,067.07

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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.