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Finding the Fourth Proportional to 539,059.70, 808,783.95 and 223,613.30

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Solution

The fourth proportional to 539,059.70, 808,783.95 and 223,613.30 is: 335,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,059.70 : 808,783.95 = 223,613.30 : x
  2. Step 2: Convert to fraction form
    539,059.70/808,783.95 = 223,613.30/x
  3. Step 3: Cross multiply
    539,059.70x = 808,783.95 × 223,613.30
  4. Step 4: Simplify right side
    539,059.70x = 180,854,848,046.54
  5. Step 5: Solve for x
    x = 180,854,848,046.54/539,059.70
  6. Step 6: Final answer
    x = 335,500.59

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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.