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Finding the Fourth Proportional to 334,143.75, 501,138.05 and 199,245.49

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Solution

The fourth proportional to 334,143.75, 501,138.05 and 199,245.49 is: 298,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,143.75 : 501,138.05 = 199,245.49 : x
  2. Step 2: Convert to fraction form
    334,143.75/501,138.05 = 199,245.49/x
  3. Step 3: Cross multiply
    334,143.75x = 501,138.05 × 199,245.49
  4. Step 4: Simplify right side
    334,143.75x = 99,849,496,329.89
  5. Step 5: Solve for x
    x = 99,849,496,329.89/334,143.75
  6. Step 6: Final answer
    x = 298,821.98

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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.