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Finding the Fourth Proportional to 364,693.32, 503,302.14 and 203,579.82

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Solution

The fourth proportional to 364,693.32, 503,302.14 and 203,579.82 is: 280,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,693.32 : 503,302.14 = 203,579.82 : x
  2. Step 2: Convert to fraction form
    364,693.32/503,302.14 = 203,579.82/x
  3. Step 3: Cross multiply
    364,693.32x = 503,302.14 × 203,579.82
  4. Step 4: Simplify right side
    364,693.32x = 102,462,159,066.82
  5. Step 5: Solve for x
    x = 102,462,159,066.82/364,693.32
  6. Step 6: Final answer
    x = 280,954.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.