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Finding the Fourth Proportional to 658,410.48, 987,615.90 and 185,095.98

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Solution

The fourth proportional to 658,410.48, 987,615.90 and 185,095.98 is: 277,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,410.48 : 987,615.90 = 185,095.98 : x
  2. Step 2: Convert to fraction form
    658,410.48/987,615.90 = 185,095.98/x
  3. Step 3: Cross multiply
    658,410.48x = 987,615.90 × 185,095.98
  4. Step 4: Simplify right side
    658,410.48x = 182,803,732,874.08
  5. Step 5: Solve for x
    x = 182,803,732,874.08/658,410.48
  6. Step 6: Final answer
    x = 277,644.02

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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.