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Finding the Fourth Proportional to 335,988.12, 503,728.74 and 202,836.72

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Solution

The fourth proportional to 335,988.12, 503,728.74 and 202,836.72 is: 304,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,988.12 : 503,728.74 = 202,836.72 : x
  2. Step 2: Convert to fraction form
    335,988.12/503,728.74 = 202,836.72/x
  3. Step 3: Cross multiply
    335,988.12x = 503,728.74 × 202,836.72
  4. Step 4: Simplify right side
    335,988.12x = 102,174,685,391.33
  5. Step 5: Solve for x
    x = 102,174,685,391.33/335,988.12
  6. Step 6: Final answer
    x = 304,102.08

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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.