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Finding the Fourth Proportional to 317,284, 437,843.91 and 181,309.30

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Solution

The fourth proportional to 317,284, 437,843.91 and 181,309.30 is: 250,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,284 : 437,843.91 = 181,309.30 : x
  2. Step 2: Convert to fraction form
    317,284/437,843.91 = 181,309.30/x
  3. Step 3: Cross multiply
    317,284x = 437,843.91 × 181,309.30
  4. Step 4: Simplify right side
    317,284x = 79,385,172,831.36
  5. Step 5: Solve for x
    x = 79,385,172,831.36/317,284
  6. Step 6: Final answer
    x = 250,202.26

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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.