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Finding the Fourth Proportional to 539,672.90, 809,606.55 and 224,161.70

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Solution

The fourth proportional to 539,672.90, 809,606.55 and 224,161.70 is: 336,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,672.90 : 809,606.55 = 224,161.70 : x
  2. Step 2: Convert to fraction form
    539,672.90/809,606.55 = 224,161.70/x
  3. Step 3: Cross multiply
    539,672.90x = 809,606.55 × 224,161.70
  4. Step 4: Simplify right side
    539,672.90x = 181,482,780,579.14
  5. Step 5: Solve for x
    x = 181,482,780,579.14/539,672.90
  6. Step 6: Final answer
    x = 336,282.92

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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.