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Finding the Fourth Proportional to 539,401.60, 809,296.80 and 224,084.80

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Solution

The fourth proportional to 539,401.60, 809,296.80 and 224,084.80 is: 336,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,401.60 : 809,296.80 = 224,084.80 : x
  2. Step 2: Convert to fraction form
    539,401.60/809,296.80 = 224,084.80/x
  3. Step 3: Cross multiply
    539,401.60x = 809,296.80 × 224,084.80
  4. Step 4: Simplify right side
    539,401.60x = 181,351,111,568.64
  5. Step 5: Solve for x
    x = 181,351,111,568.64/539,401.60
  6. Step 6: Final answer
    x = 336,207.96

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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.