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Finding the Fourth Proportional to 529,612.73, 793,971.30 and 229,868

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Solution

The fourth proportional to 529,612.73, 793,971.30 and 229,868 is: 344,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,612.73 : 793,971.30 = 229,868 : x
  2. Step 2: Convert to fraction form
    529,612.73/793,971.30 = 229,868/x
  3. Step 3: Cross multiply
    529,612.73x = 793,971.30 × 229,868
  4. Step 4: Simplify right side
    529,612.73x = 182,508,594,788.40
  5. Step 5: Solve for x
    x = 182,508,594,788.40/529,612.73
  6. Step 6: Final answer
    x = 344,607.64

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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.