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Finding the Fourth Proportional to 602,703.45, 903,694.32 and 203,335.38

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Solution

The fourth proportional to 602,703.45, 903,694.32 and 203,335.38 is: 304,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,703.45 : 903,694.32 = 203,335.38 : x
  2. Step 2: Convert to fraction form
    602,703.45/903,694.32 = 203,335.38/x
  3. Step 3: Cross multiply
    602,703.45x = 903,694.32 × 203,335.38
  4. Step 4: Simplify right side
    602,703.45x = 183,753,027,961.04
  5. Step 5: Solve for x
    x = 183,753,027,961.04/602,703.45
  6. Step 6: Final answer
    x = 304,881.33

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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.