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Finding the Fourth Proportional to 539,365.80, 808,757.10 and 223,854.60

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Solution

The fourth proportional to 539,365.80, 808,757.10 and 223,854.60 is: 335,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,365.80 : 808,757.10 = 223,854.60 : x
  2. Step 2: Convert to fraction form
    539,365.80/808,757.10 = 223,854.60/x
  3. Step 3: Cross multiply
    539,365.80x = 808,757.10 × 223,854.60
  4. Step 4: Simplify right side
    539,365.80x = 181,043,997,117.66
  5. Step 5: Solve for x
    x = 181,043,997,117.66/539,365.80
  6. Step 6: Final answer
    x = 335,660.88

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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.