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Finding the Fourth Proportional to 352,612.11, 486,592.13 and 191,463.83

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Solution

The fourth proportional to 352,612.11, 486,592.13 and 191,463.83 is: 264,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,612.11 : 486,592.13 = 191,463.83 : x
  2. Step 2: Convert to fraction form
    352,612.11/486,592.13 = 191,463.83/x
  3. Step 3: Cross multiply
    352,612.11x = 486,592.13 × 191,463.83
  4. Step 4: Simplify right side
    352,612.11x = 93,164,790,903.36
  5. Step 5: Solve for x
    x = 93,164,790,903.36/352,612.11
  6. Step 6: Final answer
    x = 264,213.25

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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.