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Finding the Fourth Proportional to 539,367.35, 809,412.15 and 223,824.56

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Solution

The fourth proportional to 539,367.35, 809,412.15 and 223,824.56 is: 335,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,367.35 : 809,412.15 = 223,824.56 : x
  2. Step 2: Convert to fraction form
    539,367.35/809,412.15 = 223,824.56/x
  3. Step 3: Cross multiply
    539,367.35x = 809,412.15 × 223,824.56
  4. Step 4: Simplify right side
    539,367.35x = 181,166,318,332.40
  5. Step 5: Solve for x
    x = 181,166,318,332.40/539,367.35
  6. Step 6: Final answer
    x = 335,886.70

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1.5x scale

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.