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Finding the Fourth Proportional to 372,503.20, 558,904.44 and 170,195.20

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Solution

The fourth proportional to 372,503.20, 558,904.44 and 170,195.20 is: 255,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,503.20 : 558,904.44 = 170,195.20 : x
  2. Step 2: Convert to fraction form
    372,503.20/558,904.44 = 170,195.20/x
  3. Step 3: Cross multiply
    372,503.20x = 558,904.44 × 170,195.20
  4. Step 4: Simplify right side
    372,503.20x = 95,122,852,946.69
  5. Step 5: Solve for x
    x = 95,122,852,946.69/372,503.20
  6. Step 6: Final answer
    x = 255,361.17

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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.