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Finding the Fourth Proportional to 264,049.86, 364,389 and 143,191.11

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Solution

The fourth proportional to 264,049.86, 364,389 and 143,191.11 is: 197,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,049.86 : 364,389 = 143,191.11 : x
  2. Step 2: Convert to fraction form
    264,049.86/364,389 = 143,191.11/x
  3. Step 3: Cross multiply
    264,049.86x = 364,389 × 143,191.11
  4. Step 4: Simplify right side
    264,049.86x = 52,177,265,381.79
  5. Step 5: Solve for x
    x = 52,177,265,381.79/264,049.86
  6. Step 6: Final answer
    x = 197,603.84

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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.