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Finding the Fourth Proportional to 335,077.20, 502,615.80 and 202,216.95

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Solution

The fourth proportional to 335,077.20, 502,615.80 and 202,216.95 is: 303,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,077.20 : 502,615.80 = 202,216.95 : x
  2. Step 2: Convert to fraction form
    335,077.20/502,615.80 = 202,216.95/x
  3. Step 3: Cross multiply
    335,077.20x = 502,615.80 × 202,216.95
  4. Step 4: Simplify right side
    335,077.20x = 101,637,434,097.81
  5. Step 5: Solve for x
    x = 101,637,434,097.81/335,077.20
  6. Step 6: Final answer
    x = 303,325.43

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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.