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Finding the Fourth Proportional to 570,156.88, 855,217.68 and 270,852.88

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Solution

The fourth proportional to 570,156.88, 855,217.68 and 270,852.88 is: 406,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,156.88 : 855,217.68 = 270,852.88 : x
  2. Step 2: Convert to fraction form
    570,156.88/855,217.68 = 270,852.88/x
  3. Step 3: Cross multiply
    570,156.88x = 855,217.68 × 270,852.88
  4. Step 4: Simplify right side
    570,156.88x = 231,638,171,654.92
  5. Step 5: Solve for x
    x = 231,638,171,654.92/570,156.88
  6. Step 6: Final answer
    x = 406,270.94

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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.