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Finding the Fourth Proportional to 554,387.22, 765,052.65 and 299,738.34

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Solution

The fourth proportional to 554,387.22, 765,052.65 and 299,738.34 is: 413,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,387.22 : 765,052.65 = 299,738.34 : x
  2. Step 2: Convert to fraction form
    554,387.22/765,052.65 = 299,738.34/x
  3. Step 3: Cross multiply
    554,387.22x = 765,052.65 × 299,738.34
  4. Step 4: Simplify right side
    554,387.22x = 229,315,611,323.60
  5. Step 5: Solve for x
    x = 229,315,611,323.60/554,387.22
  6. Step 6: Final answer
    x = 413,637.98

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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.