Home / 353,569.78-529,654.83-309,246.58

Finding the Fourth Proportional to 353,569.78, 529,654.83 and 309,246.58

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Solution

The fourth proportional to 353,569.78, 529,654.83 and 309,246.58 is: 463,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,569.78 : 529,654.83 = 309,246.58 : x
  2. Step 2: Convert to fraction form
    353,569.78/529,654.83 = 309,246.58/x
  3. Step 3: Cross multiply
    353,569.78x = 529,654.83 × 309,246.58
  4. Step 4: Simplify right side
    353,569.78x = 163,793,944,757.98
  5. Step 5: Solve for x
    x = 163,793,944,757.98/353,569.78
  6. Step 6: Final answer
    x = 463,257.76

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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.