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Finding the Fourth Proportional to 371,818.88, 557,414.88 and 161,298.08

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Solution

The fourth proportional to 371,818.88, 557,414.88 and 161,298.08 is: 241,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,818.88 : 557,414.88 = 161,298.08 : x
  2. Step 2: Convert to fraction form
    371,818.88/557,414.88 = 161,298.08/x
  3. Step 3: Cross multiply
    371,818.88x = 557,414.88 × 161,298.08
  4. Step 4: Simplify right side
    371,818.88x = 89,909,949,907.43
  5. Step 5: Solve for x
    x = 89,909,949,907.43/371,818.88
  6. Step 6: Final answer
    x = 241,811.15

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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.