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Finding the Fourth Proportional to 402,997.91, 556,273.67 and 250,125.58

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Solution

The fourth proportional to 402,997.91, 556,273.67 and 250,125.58 is: 345,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,997.91 : 556,273.67 = 250,125.58 : x
  2. Step 2: Convert to fraction form
    402,997.91/556,273.67 = 250,125.58/x
  3. Step 3: Cross multiply
    402,997.91x = 556,273.67 × 250,125.58
  4. Step 4: Simplify right side
    402,997.91x = 139,138,270,315.48
  5. Step 5: Solve for x
    x = 139,138,270,315.48/402,997.91
  6. Step 6: Final answer
    x = 345,258.04

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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.