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Finding the Fourth Proportional to 408,882.83, 613,289.11 and 248,917.25

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Solution

The fourth proportional to 408,882.83, 613,289.11 and 248,917.25 is: 373,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,882.83 : 613,289.11 = 248,917.25 : x
  2. Step 2: Convert to fraction form
    408,882.83/613,289.11 = 248,917.25/x
  3. Step 3: Cross multiply
    408,882.83x = 613,289.11 × 248,917.25
  4. Step 4: Simplify right side
    408,882.83x = 152,658,234,405.12
  5. Step 5: Solve for x
    x = 152,658,234,405.12/408,882.83
  6. Step 6: Final answer
    x = 373,354.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.