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Finding the Fourth Proportional to 573,828.93, 791,881.65 and 319,180.14

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Solution

The fourth proportional to 573,828.93, 791,881.65 and 319,180.14 is: 440,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,828.93 : 791,881.65 = 319,180.14 : x
  2. Step 2: Convert to fraction form
    573,828.93/791,881.65 = 319,180.14/x
  3. Step 3: Cross multiply
    573,828.93x = 791,881.65 × 319,180.14
  4. Step 4: Simplify right side
    573,828.93x = 252,752,895,910.43
  5. Step 5: Solve for x
    x = 252,752,895,910.43/573,828.93
  6. Step 6: Final answer
    x = 440,467.33

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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.