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Finding the Fourth Proportional to 587,257.24, 880,696.32 and 166,420.12

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Solution

The fourth proportional to 587,257.24, 880,696.32 and 166,420.12 is: 249,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,257.24 : 880,696.32 = 166,420.12 : x
  2. Step 2: Convert to fraction form
    587,257.24/880,696.32 = 166,420.12/x
  3. Step 3: Cross multiply
    587,257.24x = 880,696.32 × 166,420.12
  4. Step 4: Simplify right side
    587,257.24x = 146,565,587,257.96
  5. Step 5: Solve for x
    x = 146,565,587,257.96/587,257.24
  6. Step 6: Final answer
    x = 249,576.47

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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.