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Finding the Fourth Proportional to 504,172.25, 695,772.29 and 277,832.33

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Solution

The fourth proportional to 504,172.25, 695,772.29 and 277,832.33 is: 383,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,172.25 : 695,772.29 = 277,832.33 : x
  2. Step 2: Convert to fraction form
    504,172.25/695,772.29 = 277,832.33/x
  3. Step 3: Cross multiply
    504,172.25x = 695,772.29 × 277,832.33
  4. Step 4: Simplify right side
    504,172.25x = 193,308,036,480.14
  5. Step 5: Solve for x
    x = 193,308,036,480.14/504,172.25
  6. Step 6: Final answer
    x = 383,416.65

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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.