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Finding the Fourth Proportional to 604,762.20, 907,043.87 and 225,583.79

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Solution

The fourth proportional to 604,762.20, 907,043.87 and 225,583.79 is: 338,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,762.20 : 907,043.87 = 225,583.79 : x
  2. Step 2: Convert to fraction form
    604,762.20/907,043.87 = 225,583.79/x
  3. Step 3: Cross multiply
    604,762.20x = 907,043.87 × 225,583.79
  4. Step 4: Simplify right side
    604,762.20x = 204,614,389,919.61
  5. Step 5: Solve for x
    x = 204,614,389,919.61/604,762.20
  6. Step 6: Final answer
    x = 338,338.59

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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.