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Finding the Fourth Proportional to 550,186.88, 759,392.96 and 335,445.36

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Solution

The fourth proportional to 550,186.88, 759,392.96 and 335,445.36 is: 462,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,186.88 : 759,392.96 = 335,445.36 : x
  2. Step 2: Convert to fraction form
    550,186.88/759,392.96 = 335,445.36/x
  3. Step 3: Cross multiply
    550,186.88x = 759,392.96 × 335,445.36
  4. Step 4: Simplify right side
    550,186.88x = 254,734,844,848.67
  5. Step 5: Solve for x
    x = 254,734,844,848.67/550,186.88
  6. Step 6: Final answer
    x = 462,996.95

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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.