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Finding the Fourth Proportional to 570,329.76, 855,321.84 and 237,828

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Solution

The fourth proportional to 570,329.76, 855,321.84 and 237,828 is: 356,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,329.76 : 855,321.84 = 237,828 : x
  2. Step 2: Convert to fraction form
    570,329.76/855,321.84 = 237,828/x
  3. Step 3: Cross multiply
    570,329.76x = 855,321.84 × 237,828
  4. Step 4: Simplify right side
    570,329.76x = 203,419,482,563.52
  5. Step 5: Solve for x
    x = 203,419,482,563.52/570,329.76
  6. Step 6: Final answer
    x = 356,669.94

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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.