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Finding the Fourth Proportional to 335,291.40, 502,937.10 and 202,103.10

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Solution

The fourth proportional to 335,291.40, 502,937.10 and 202,103.10 is: 303,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,291.40 : 502,937.10 = 202,103.10 : x
  2. Step 2: Convert to fraction form
    335,291.40/502,937.10 = 202,103.10/x
  3. Step 3: Cross multiply
    335,291.40x = 502,937.10 × 202,103.10
  4. Step 4: Simplify right side
    335,291.40x = 101,645,147,015.01
  5. Step 5: Solve for x
    x = 101,645,147,015.01/335,291.40
  6. Step 6: Final answer
    x = 303,154.65

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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.