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Finding the Fourth Proportional to 296,887.38, 409,730.50 and 162,777.30

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Solution

The fourth proportional to 296,887.38, 409,730.50 and 162,777.30 is: 224,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,887.38 : 409,730.50 = 162,777.30 : x
  2. Step 2: Convert to fraction form
    296,887.38/409,730.50 = 162,777.30/x
  3. Step 3: Cross multiply
    296,887.38x = 409,730.50 × 162,777.30
  4. Step 4: Simplify right side
    296,887.38x = 66,694,824,517.65
  5. Step 5: Solve for x
    x = 66,694,824,517.65/296,887.38
  6. Step 6: Final answer
    x = 224,646.88

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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.