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Finding the Fourth Proportional to 295,469.28, 407,700.12 and 168,147

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Solution

The fourth proportional to 295,469.28, 407,700.12 and 168,147 is: 232,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,469.28 : 407,700.12 = 168,147 : x
  2. Step 2: Convert to fraction form
    295,469.28/407,700.12 = 168,147/x
  3. Step 3: Cross multiply
    295,469.28x = 407,700.12 × 168,147
  4. Step 4: Simplify right side
    295,469.28x = 68,553,552,077.64
  5. Step 5: Solve for x
    x = 68,553,552,077.64/295,469.28
  6. Step 6: Final answer
    x = 232,015.84

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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.