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Finding the Fourth Proportional to 573,751.92, 791,805.68 and 319,097.64

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Solution

The fourth proportional to 573,751.92, 791,805.68 and 319,097.64 is: 440,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,751.92 : 791,805.68 = 319,097.64 : x
  2. Step 2: Convert to fraction form
    573,751.92/791,805.68 = 319,097.64/x
  3. Step 3: Cross multiply
    573,751.92x = 791,805.68 × 319,097.64
  4. Step 4: Simplify right side
    573,751.92x = 252,663,323,826.60
  5. Step 5: Solve for x
    x = 252,663,323,826.60/573,751.92
  6. Step 6: Final answer
    x = 440,370.33

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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.