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Finding the Fourth Proportional to 606,427.88, 909,252.92 and 251,686.76

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Solution

The fourth proportional to 606,427.88, 909,252.92 and 251,686.76 is: 377,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,427.88 : 909,252.92 = 251,686.76 : x
  2. Step 2: Convert to fraction form
    606,427.88/909,252.92 = 251,686.76/x
  3. Step 3: Cross multiply
    606,427.88x = 909,252.92 × 251,686.76
  4. Step 4: Simplify right side
    606,427.88x = 228,846,917,538.29
  5. Step 5: Solve for x
    x = 228,846,917,538.29/606,427.88
  6. Step 6: Final answer
    x = 377,368.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.