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Finding the Fourth Proportional to 554,353.74, 765,008.22 and 299,704.86

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Solution

The fourth proportional to 554,353.74, 765,008.22 and 299,704.86 is: 413,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,353.74 : 765,008.22 = 299,704.86 : x
  2. Step 2: Convert to fraction form
    554,353.74/765,008.22 = 299,704.86/x
  3. Step 3: Cross multiply
    554,353.74x = 765,008.22 × 299,704.86
  4. Step 4: Simplify right side
    554,353.74x = 229,276,681,473.95
  5. Step 5: Solve for x
    x = 229,276,681,473.95/554,353.74
  6. Step 6: Final answer
    x = 413,592.74

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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.