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Finding the Fourth Proportional to 335,655.20, 503,758.20 and 333,030.80

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Solution

The fourth proportional to 335,655.20, 503,758.20 and 333,030.80 is: 499,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,655.20 : 503,758.20 = 333,030.80 : x
  2. Step 2: Convert to fraction form
    335,655.20/503,758.20 = 333,030.80/x
  3. Step 3: Cross multiply
    335,655.20x = 503,758.20 × 333,030.80
  4. Step 4: Simplify right side
    335,655.20x = 167,766,996,352.56
  5. Step 5: Solve for x
    x = 167,766,996,352.56/335,655.20
  6. Step 6: Final answer
    x = 499,819.45

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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.