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Finding the Fourth Proportional to 569,776.16, 855,084.48 and 270,257.70

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Solution

The fourth proportional to 569,776.16, 855,084.48 and 270,257.70 is: 405,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,776.16 : 855,084.48 = 270,257.70 : x
  2. Step 2: Convert to fraction form
    569,776.16/855,084.48 = 270,257.70/x
  3. Step 3: Cross multiply
    569,776.16x = 855,084.48 × 270,257.70
  4. Step 4: Simplify right side
    569,776.16x = 231,093,164,870.50
  5. Step 5: Solve for x
    x = 231,093,164,870.50/569,776.16
  6. Step 6: Final answer
    x = 405,585.88

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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.