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Finding the Fourth Proportional to 586,891.18, 880,371.35 and 166,131.82

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Solution

The fourth proportional to 586,891.18, 880,371.35 and 166,131.82 is: 249,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,891.18 : 880,371.35 = 166,131.82 : x
  2. Step 2: Convert to fraction form
    586,891.18/880,371.35 = 166,131.82/x
  3. Step 3: Cross multiply
    586,891.18x = 880,371.35 × 166,131.82
  4. Step 4: Simplify right side
    586,891.18x = 146,257,694,651.36
  5. Step 5: Solve for x
    x = 146,257,694,651.36/586,891.18
  6. Step 6: Final answer
    x = 249,207.52

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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.