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Finding the Fourth Proportional to 335,033.40, 502,938.90 and 202,063.80

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Solution

The fourth proportional to 335,033.40, 502,938.90 and 202,063.80 is: 303,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,033.40 : 502,938.90 = 202,063.80 : x
  2. Step 2: Convert to fraction form
    335,033.40/502,938.90 = 202,063.80/x
  3. Step 3: Cross multiply
    335,033.40x = 502,938.90 × 202,063.80
  4. Step 4: Simplify right side
    335,033.40x = 101,625,745,301.82
  5. Step 5: Solve for x
    x = 101,625,745,301.82/335,033.40
  6. Step 6: Final answer
    x = 303,330.19

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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.