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Finding the Fourth Proportional to 202,420.15, 277,314.34 and 194,850.40

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Solution

The fourth proportional to 202,420.15, 277,314.34 and 194,850.40 is: 266,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,420.15 : 277,314.34 = 194,850.40 : x
  2. Step 2: Convert to fraction form
    202,420.15/277,314.34 = 194,850.40/x
  3. Step 3: Cross multiply
    202,420.15x = 277,314.34 × 194,850.40
  4. Step 4: Simplify right side
    202,420.15x = 54,034,810,074.74
  5. Step 5: Solve for x
    x = 54,034,810,074.74/202,420.15
  6. Step 6: Final answer
    x = 266,943.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.