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Finding the Fourth Proportional to 352,807.92, 486,883.80 and 191,662.92

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Solution

The fourth proportional to 352,807.92, 486,883.80 and 191,662.92 is: 264,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,807.92 : 486,883.80 = 191,662.92 : x
  2. Step 2: Convert to fraction form
    352,807.92/486,883.80 = 191,662.92/x
  3. Step 3: Cross multiply
    352,807.92x = 486,883.80 × 191,662.92
  4. Step 4: Simplify right side
    352,807.92x = 93,317,570,808.70
  5. Step 5: Solve for x
    x = 93,317,570,808.70/352,807.92
  6. Step 6: Final answer
    x = 264,499.65

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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.