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Finding the Fourth Proportional to 504,980.08, 697,281.96 and 482,147.80

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Solution

The fourth proportional to 504,980.08, 697,281.96 and 482,147.80 is: 665,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,980.08 : 697,281.96 = 482,147.80 : x
  2. Step 2: Convert to fraction form
    504,980.08/697,281.96 = 482,147.80/x
  3. Step 3: Cross multiply
    504,980.08x = 697,281.96 × 482,147.80
  4. Step 4: Simplify right side
    504,980.08x = 336,192,962,993.69
  5. Step 5: Solve for x
    x = 336,192,962,993.69/504,980.08
  6. Step 6: Final answer
    x = 665,754.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.