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Finding the Fourth Proportional to 358,841.56, 538,259.64 and 92,579.44

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Solution

The fourth proportional to 358,841.56, 538,259.64 and 92,579.44 is: 138,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,841.56 : 538,259.64 = 92,579.44 : x
  2. Step 2: Convert to fraction form
    358,841.56/538,259.64 = 92,579.44/x
  3. Step 3: Cross multiply
    358,841.56x = 538,259.64 × 92,579.44
  4. Step 4: Simplify right side
    358,841.56x = 49,831,776,045.80
  5. Step 5: Solve for x
    x = 49,831,776,045.80/358,841.56
  6. Step 6: Final answer
    x = 138,868.46

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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.