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Finding the Fourth Proportional to 570,606.56, 855,993.28 and 171,278.88

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Solution

The fourth proportional to 570,606.56, 855,993.28 and 171,278.88 is: 256,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,606.56 : 855,993.28 = 171,278.88 : x
  2. Step 2: Convert to fraction form
    570,606.56/855,993.28 = 171,278.88/x
  3. Step 3: Cross multiply
    570,606.56x = 855,993.28 × 171,278.88
  4. Step 4: Simplify right side
    570,606.56x = 146,613,570,285.93
  5. Step 5: Solve for x
    x = 146,613,570,285.93/570,606.56
  6. Step 6: Final answer
    x = 256,943.37

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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.