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Finding the Fourth Proportional to 573,842.70, 792,054.99 and 404,153.10

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Solution

The fourth proportional to 573,842.70, 792,054.99 and 404,153.10 is: 557,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,842.70 : 792,054.99 = 404,153.10 : x
  2. Step 2: Convert to fraction form
    573,842.70/792,054.99 = 404,153.10/x
  3. Step 3: Cross multiply
    573,842.70x = 792,054.99 × 404,153.10
  4. Step 4: Simplify right side
    573,842.70x = 320,111,479,578.97
  5. Step 5: Solve for x
    x = 320,111,479,578.97/573,842.70
  6. Step 6: Final answer
    x = 557,838.38

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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.