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Finding the Fourth Proportional to 299,726.61, 449,577.56 and 166,521.91

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Solution

The fourth proportional to 299,726.61, 449,577.56 and 166,521.91 is: 249,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,726.61 : 449,577.56 = 166,521.91 : x
  2. Step 2: Convert to fraction form
    299,726.61/449,577.56 = 166,521.91/x
  3. Step 3: Cross multiply
    299,726.61x = 449,577.56 × 166,521.91
  4. Step 4: Simplify right side
    299,726.61x = 74,864,512,860.40
  5. Step 5: Solve for x
    x = 74,864,512,860.40/299,726.61
  6. Step 6: Final answer
    x = 249,776.00

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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.