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Finding the Fourth Proportional to 570,557.24, 855,919.29 and 171,229.56

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Solution

The fourth proportional to 570,557.24, 855,919.29 and 171,229.56 is: 256,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,557.24 : 855,919.29 = 171,229.56 : x
  2. Step 2: Convert to fraction form
    570,557.24/855,919.29 = 171,229.56/x
  3. Step 3: Cross multiply
    570,557.24x = 855,919.29 × 171,229.56
  4. Step 4: Simplify right side
    570,557.24x = 146,558,683,422.21
  5. Step 5: Solve for x
    x = 146,558,683,422.21/570,557.24
  6. Step 6: Final answer
    x = 256,869.38

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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.