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Finding the Fourth Proportional to 294,900.40, 441,767.40 and 273,905.20

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Solution

The fourth proportional to 294,900.40, 441,767.40 and 273,905.20 is: 410,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,900.40 : 441,767.40 = 273,905.20 : x
  2. Step 2: Convert to fraction form
    294,900.40/441,767.40 = 273,905.20/x
  3. Step 3: Cross multiply
    294,900.40x = 441,767.40 × 273,905.20
  4. Step 4: Simplify right side
    294,900.40x = 121,002,388,050.48
  5. Step 5: Solve for x
    x = 121,002,388,050.48/294,900.40
  6. Step 6: Final answer
    x = 410,316.12

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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.