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Finding the Fourth Proportional to 352,986.76, 487,124.96 and 191,842.24

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Solution

The fourth proportional to 352,986.76, 487,124.96 and 191,842.24 is: 264,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,986.76 : 487,124.96 = 191,842.24 : x
  2. Step 2: Convert to fraction form
    352,986.76/487,124.96 = 191,842.24/x
  3. Step 3: Cross multiply
    352,986.76x = 487,124.96 × 191,842.24
  4. Step 4: Simplify right side
    352,986.76x = 93,451,142,527.10
  5. Step 5: Solve for x
    x = 93,451,142,527.10/352,986.76
  6. Step 6: Final answer
    x = 264,744.04

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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.