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Finding the Fourth Proportional to 333,630.20, 499,789.20 and 310,010.60

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Solution

The fourth proportional to 333,630.20, 499,789.20 and 310,010.60 is: 464,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,630.20 : 499,789.20 = 310,010.60 : x
  2. Step 2: Convert to fraction form
    333,630.20/499,789.20 = 310,010.60/x
  3. Step 3: Cross multiply
    333,630.20x = 499,789.20 × 310,010.60
  4. Step 4: Simplify right side
    333,630.20x = 154,939,949,765.52
  5. Step 5: Solve for x
    x = 154,939,949,765.52/333,630.20
  6. Step 6: Final answer
    x = 464,406.25

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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.