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Finding the Fourth Proportional to 603,887.88, 833,365.28 and 349,255.47

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Solution

The fourth proportional to 603,887.88, 833,365.28 and 349,255.47 is: 481,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,887.88 : 833,365.28 = 349,255.47 : x
  2. Step 2: Convert to fraction form
    603,887.88/833,365.28 = 349,255.47/x
  3. Step 3: Cross multiply
    603,887.88x = 833,365.28 × 349,255.47
  4. Step 4: Simplify right side
    603,887.88x = 291,057,382,548.08
  5. Step 5: Solve for x
    x = 291,057,382,548.08/603,887.88
  6. Step 6: Final answer
    x = 481,972.55

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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.