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Finding the Fourth Proportional to 567,445.25, 851,135.07 and 207,858.71

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Solution

The fourth proportional to 567,445.25, 851,135.07 and 207,858.71 is: 311,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,445.25 : 851,135.07 = 207,858.71 : x
  2. Step 2: Convert to fraction form
    567,445.25/851,135.07 = 207,858.71/x
  3. Step 3: Cross multiply
    567,445.25x = 851,135.07 × 207,858.71
  4. Step 4: Simplify right side
    567,445.25x = 176,915,840,593.27
  5. Step 5: Solve for x
    x = 176,915,840,593.27/567,445.25
  6. Step 6: Final answer
    x = 311,776.05

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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.