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Finding the Fourth Proportional to 544,391.88, 751,285.80 and 302,699.28

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Solution

The fourth proportional to 544,391.88, 751,285.80 and 302,699.28 is: 417,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,391.88 : 751,285.80 = 302,699.28 : x
  2. Step 2: Convert to fraction form
    544,391.88/751,285.80 = 302,699.28/x
  3. Step 3: Cross multiply
    544,391.88x = 751,285.80 × 302,699.28
  4. Step 4: Simplify right side
    544,391.88x = 227,413,670,734.22
  5. Step 5: Solve for x
    x = 227,413,670,734.22/544,391.88
  6. Step 6: Final answer
    x = 417,738.91

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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.