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Finding the Fourth Proportional to 595,079.60, 820,906.20 and 379,993.52

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Solution

The fourth proportional to 595,079.60, 820,906.20 and 379,993.52 is: 524,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,079.60 : 820,906.20 = 379,993.52 : x
  2. Step 2: Convert to fraction form
    595,079.60/820,906.20 = 379,993.52/x
  3. Step 3: Cross multiply
    595,079.60x = 820,906.20 × 379,993.52
  4. Step 4: Simplify right side
    595,079.60x = 311,939,036,527.82
  5. Step 5: Solve for x
    x = 311,939,036,527.82/595,079.60
  6. Step 6: Final answer
    x = 524,197.16

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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.