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Finding the Fourth Proportional to 570,169.19, 855,012.82 and 170,866.79

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Solution

The fourth proportional to 570,169.19, 855,012.82 and 170,866.79 is: 256,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,169.19 : 855,012.82 = 170,866.79 : x
  2. Step 2: Convert to fraction form
    570,169.19/855,012.82 = 170,866.79/x
  3. Step 3: Cross multiply
    570,169.19x = 855,012.82 × 170,866.79
  4. Step 4: Simplify right side
    570,169.19x = 146,093,295,427.44
  5. Step 5: Solve for x
    x = 146,093,295,427.44/570,169.19
  6. Step 6: Final answer
    x = 256,227.97

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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.