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Finding the Fourth Proportional to 295,861.82, 408,189.58 and 168,447.20

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Solution

The fourth proportional to 295,861.82, 408,189.58 and 168,447.20 is: 232,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,861.82 : 408,189.58 = 168,447.20 : x
  2. Step 2: Convert to fraction form
    295,861.82/408,189.58 = 168,447.20/x
  3. Step 3: Cross multiply
    295,861.82x = 408,189.58 × 168,447.20
  4. Step 4: Simplify right side
    295,861.82x = 68,758,389,358.11
  5. Step 5: Solve for x
    x = 68,758,389,358.11/295,861.82
  6. Step 6: Final answer
    x = 232,400.35

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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.