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Finding the Fourth Proportional to 658,049.62, 987,467.69 and 604,511.86

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Solution

The fourth proportional to 658,049.62, 987,467.69 and 604,511.86 is: 907,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,049.62 : 987,467.69 = 604,511.86 : x
  2. Step 2: Convert to fraction form
    658,049.62/987,467.69 = 604,511.86/x
  3. Step 3: Cross multiply
    658,049.62x = 987,467.69 × 604,511.86
  4. Step 4: Simplify right side
    658,049.62x = 596,935,929,971.80
  5. Step 5: Solve for x
    x = 596,935,929,971.80/658,049.62
  6. Step 6: Final answer
    x = 907,129.06

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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.