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Finding the Fourth Proportional to 567,898.20, 851,123.70 and 301,786.20

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Solution

The fourth proportional to 567,898.20, 851,123.70 and 301,786.20 is: 452,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,898.20 : 851,123.70 = 301,786.20 : x
  2. Step 2: Convert to fraction form
    567,898.20/851,123.70 = 301,786.20/x
  3. Step 3: Cross multiply
    567,898.20x = 851,123.70 × 301,786.20
  4. Step 4: Simplify right side
    567,898.20x = 256,857,387,152.94
  5. Step 5: Solve for x
    x = 256,857,387,152.94/567,898.20
  6. Step 6: Final answer
    x = 452,294.77

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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.