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Finding the Fourth Proportional to 665,593.27, 997,373.97 and 395,188.93

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Solution

The fourth proportional to 665,593.27, 997,373.97 and 395,188.93 is: 592,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,593.27 : 997,373.97 = 395,188.93 : x
  2. Step 2: Convert to fraction form
    665,593.27/997,373.97 = 395,188.93/x
  3. Step 3: Cross multiply
    665,593.27x = 997,373.97 × 395,188.93
  4. Step 4: Simplify right side
    665,593.27x = 394,151,152,014.15
  5. Step 5: Solve for x
    x = 394,151,152,014.15/665,593.27
  6. Step 6: Final answer
    x = 592,180.19

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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.