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Finding the Fourth Proportional to 604,556.80, 907,533.60 and 324,620.80

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Solution

The fourth proportional to 604,556.80, 907,533.60 and 324,620.80 is: 487,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,556.80 : 907,533.60 = 324,620.80 : x
  2. Step 2: Convert to fraction form
    604,556.80/907,533.60 = 324,620.80/x
  3. Step 3: Cross multiply
    604,556.80x = 907,533.60 × 324,620.80
  4. Step 4: Simplify right side
    604,556.80x = 294,604,283,258.88
  5. Step 5: Solve for x
    x = 294,604,283,258.88/604,556.80
  6. Step 6: Final answer
    x = 487,306.21

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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.