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Finding the Fourth Proportional to 358,343.60, 494,525.75 and 205,410.73

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Solution

The fourth proportional to 358,343.60, 494,525.75 and 205,410.73 is: 283,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,343.60 : 494,525.75 = 205,410.73 : x
  2. Step 2: Convert to fraction form
    358,343.60/494,525.75 = 205,410.73/x
  3. Step 3: Cross multiply
    358,343.60x = 494,525.75 × 205,410.73
  4. Step 4: Simplify right side
    358,343.60x = 101,580,894,638.46
  5. Step 5: Solve for x
    x = 101,580,894,638.46/358,343.60
  6. Step 6: Final answer
    x = 283,473.45

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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.