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Finding the Fourth Proportional to 557,092.13, 768,796.25 and 302,443.52

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Solution

The fourth proportional to 557,092.13, 768,796.25 and 302,443.52 is: 417,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,092.13 : 768,796.25 = 302,443.52 : x
  2. Step 2: Convert to fraction form
    557,092.13/768,796.25 = 302,443.52/x
  3. Step 3: Cross multiply
    557,092.13x = 768,796.25 × 302,443.52
  4. Step 4: Simplify right side
    557,092.13x = 232,517,438,656.60
  5. Step 5: Solve for x
    x = 232,517,438,656.60/557,092.13
  6. Step 6: Final answer
    x = 417,377.00

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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.