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Finding the Fourth Proportional to 352,518.70, 486,476.14 and 191,373.66

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Solution

The fourth proportional to 352,518.70, 486,476.14 and 191,373.66 is: 264,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,518.70 : 486,476.14 = 191,373.66 : x
  2. Step 2: Convert to fraction form
    352,518.70/486,476.14 = 191,373.66/x
  3. Step 3: Cross multiply
    352,518.70x = 486,476.14 × 191,373.66
  4. Step 4: Simplify right side
    352,518.70x = 93,098,719,414.47
  5. Step 5: Solve for x
    x = 93,098,719,414.47/352,518.70
  6. Step 6: Final answer
    x = 264,095.83

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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.