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Finding the Fourth Proportional to 351,263.91, 526,471.56 and 171,079.29

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Solution

The fourth proportional to 351,263.91, 526,471.56 and 171,079.29 is: 256,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,263.91 : 526,471.56 = 171,079.29 : x
  2. Step 2: Convert to fraction form
    351,263.91/526,471.56 = 171,079.29/x
  3. Step 3: Cross multiply
    351,263.91x = 526,471.56 × 171,079.29
  4. Step 4: Simplify right side
    351,263.91x = 90,068,380,689.99
  5. Step 5: Solve for x
    x = 90,068,380,689.99/351,263.91
  6. Step 6: Final answer
    x = 256,412.28

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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.