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Finding the Fourth Proportional to 658,172.40, 987,295.54 and 184,820.86

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Solution

The fourth proportional to 658,172.40, 987,295.54 and 184,820.86 is: 277,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,172.40 : 987,295.54 = 184,820.86 : x
  2. Step 2: Convert to fraction form
    658,172.40/987,295.54 = 184,820.86/x
  3. Step 3: Cross multiply
    658,172.40x = 987,295.54 × 184,820.86
  4. Step 4: Simplify right side
    658,172.40x = 182,472,810,776.96
  5. Step 5: Solve for x
    x = 182,472,810,776.96/658,172.40
  6. Step 6: Final answer
    x = 277,241.66

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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.