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Finding the Fourth Proportional to 352,595.80, 486,582.78 and 191,451.16

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Solution

The fourth proportional to 352,595.80, 486,582.78 and 191,451.16 is: 264,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,595.80 : 486,582.78 = 191,451.16 : x
  2. Step 2: Convert to fraction form
    352,595.80/486,582.78 = 191,451.16/x
  3. Step 3: Cross multiply
    352,595.80x = 486,582.78 × 191,451.16
  4. Step 4: Simplify right side
    352,595.80x = 93,156,837,667.02
  5. Step 5: Solve for x
    x = 93,156,837,667.02/352,595.80
  6. Step 6: Final answer
    x = 264,202.91

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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.