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Finding the Fourth Proportional to 574,293.43, 792,511.45 and 319,639.15

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Solution

The fourth proportional to 574,293.43, 792,511.45 and 319,639.15 is: 441,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,293.43 : 792,511.45 = 319,639.15 : x
  2. Step 2: Convert to fraction form
    574,293.43/792,511.45 = 319,639.15/x
  3. Step 3: Cross multiply
    574,293.43x = 792,511.45 × 319,639.15
  4. Step 4: Simplify right side
    574,293.43x = 253,317,686,243.27
  5. Step 5: Solve for x
    x = 253,317,686,243.27/574,293.43
  6. Step 6: Final answer
    x = 441,094.52

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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.