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Finding the Fourth Proportional to 335,328.80, 502,993.20 and 229,040.60

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Solution

The fourth proportional to 335,328.80, 502,993.20 and 229,040.60 is: 343,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,328.80 : 502,993.20 = 229,040.60 : x
  2. Step 2: Convert to fraction form
    335,328.80/502,993.20 = 229,040.60/x
  3. Step 3: Cross multiply
    335,328.80x = 502,993.20 × 229,040.60
  4. Step 4: Simplify right side
    335,328.80x = 115,205,864,323.92
  5. Step 5: Solve for x
    x = 115,205,864,323.92/335,328.80
  6. Step 6: Final answer
    x = 343,560.90

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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.