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Finding the Fourth Proportional to 345,700.72, 477,047.10 and 192,733.84

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Solution

The fourth proportional to 345,700.72, 477,047.10 and 192,733.84 is: 265,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,700.72 : 477,047.10 = 192,733.84 : x
  2. Step 2: Convert to fraction form
    345,700.72/477,047.10 = 192,733.84/x
  3. Step 3: Cross multiply
    345,700.72x = 477,047.10 × 192,733.84
  4. Step 4: Simplify right side
    345,700.72x = 91,943,119,443.86
  5. Step 5: Solve for x
    x = 91,943,119,443.86/345,700.72
  6. Step 6: Final answer
    x = 265,961.61

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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.