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Finding the Fourth Proportional to 570,160.38, 855,222.93 and 270,856.38

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Solution

The fourth proportional to 570,160.38, 855,222.93 and 270,856.38 is: 406,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,160.38 : 855,222.93 = 270,856.38 : x
  2. Step 2: Convert to fraction form
    570,160.38/855,222.93 = 270,856.38/x
  3. Step 3: Cross multiply
    570,160.38x = 855,222.93 × 270,856.38
  4. Step 4: Simplify right side
    570,160.38x = 231,642,586,912.79
  5. Step 5: Solve for x
    x = 231,642,586,912.79/570,160.38
  6. Step 6: Final answer
    x = 406,276.19

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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.