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Finding the Fourth Proportional to 554,708.66, 765,497.39 and 300,059.24

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Solution

The fourth proportional to 554,708.66, 765,497.39 and 300,059.24 is: 414,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,708.66 : 765,497.39 = 300,059.24 : x
  2. Step 2: Convert to fraction form
    554,708.66/765,497.39 = 300,059.24/x
  3. Step 3: Cross multiply
    554,708.66x = 765,497.39 × 300,059.24
  4. Step 4: Simplify right side
    554,708.66x = 229,694,559,737.60
  5. Step 5: Solve for x
    x = 229,694,559,737.60/554,708.66
  6. Step 6: Final answer
    x = 414,081.44

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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.