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Finding the Fourth Proportional to 298,500.39, 411,909.71 and 169,441.47

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Solution

The fourth proportional to 298,500.39, 411,909.71 and 169,441.47 is: 233,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,500.39 : 411,909.71 = 169,441.47 : x
  2. Step 2: Convert to fraction form
    298,500.39/411,909.71 = 169,441.47/x
  3. Step 3: Cross multiply
    298,500.39x = 411,909.71 × 169,441.47
  4. Step 4: Simplify right side
    298,500.39x = 69,794,585,922.47
  5. Step 5: Solve for x
    x = 69,794,585,922.47/298,500.39
  6. Step 6: Final answer
    x = 233,817.40

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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.