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Finding the Fourth Proportional to 352,466.46, 486,390.51 and 191,318.04

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Solution

The fourth proportional to 352,466.46, 486,390.51 and 191,318.04 is: 264,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,466.46 : 486,390.51 = 191,318.04 : x
  2. Step 2: Convert to fraction form
    352,466.46/486,390.51 = 191,318.04/x
  3. Step 3: Cross multiply
    352,466.46x = 486,390.51 × 191,318.04
  4. Step 4: Simplify right side
    352,466.46x = 93,055,279,047.80
  5. Step 5: Solve for x
    x = 93,055,279,047.80/352,466.46
  6. Step 6: Final answer
    x = 264,011.73

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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.