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Finding the Fourth Proportional to 352,811.95, 486,882.47 and 191,667.37

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Solution

The fourth proportional to 352,811.95, 486,882.47 and 191,667.37 is: 264,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,811.95 : 486,882.47 = 191,667.37 : x
  2. Step 2: Convert to fraction form
    352,811.95/486,882.47 = 191,667.37/x
  3. Step 3: Cross multiply
    352,811.95x = 486,882.47 × 191,667.37
  4. Step 4: Simplify right side
    352,811.95x = 93,319,482,524.00
  5. Step 5: Solve for x
    x = 93,319,482,524.00/352,811.95
  6. Step 6: Final answer
    x = 264,502.05

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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.