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Finding the Fourth Proportional to 554,367.27, 765,026.76 and 299,718.46

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Solution

The fourth proportional to 554,367.27, 765,026.76 and 299,718.46 is: 413,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,367.27 : 765,026.76 = 299,718.46 : x
  2. Step 2: Convert to fraction form
    554,367.27/765,026.76 = 299,718.46/x
  3. Step 3: Cross multiply
    554,367.27x = 765,026.76 × 299,718.46
  4. Step 4: Simplify right side
    554,367.27x = 229,292,642,365.99
  5. Step 5: Solve for x
    x = 229,292,642,365.99/554,367.27
  6. Step 6: Final answer
    x = 413,611.44

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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.