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Finding the Fourth Proportional to 554,259.97, 764,879.25 and 299,611.14

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Solution

The fourth proportional to 554,259.97, 764,879.25 and 299,611.14 is: 413,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,259.97 : 764,879.25 = 299,611.14 : x
  2. Step 2: Convert to fraction form
    554,259.97/764,879.25 = 299,611.14/x
  3. Step 3: Cross multiply
    554,259.97x = 764,879.25 × 299,611.14
  4. Step 4: Simplify right side
    554,259.97x = 229,166,344,054.85
  5. Step 5: Solve for x
    x = 229,166,344,054.85/554,259.97
  6. Step 6: Final answer
    x = 413,463.64

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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.