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Finding the Fourth Proportional to 539,560.40, 808,692.60 and 223,854.80

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Solution

The fourth proportional to 539,560.40, 808,692.60 and 223,854.80 is: 335,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,560.40 : 808,692.60 = 223,854.80 : x
  2. Step 2: Convert to fraction form
    539,560.40/808,692.60 = 223,854.80/x
  3. Step 3: Cross multiply
    539,560.40x = 808,692.60 × 223,854.80
  4. Step 4: Simplify right side
    539,560.40x = 181,029,720,234.48
  5. Step 5: Solve for x
    x = 181,029,720,234.48/539,560.40
  6. Step 6: Final answer
    x = 335,513.36

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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.