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Finding the Fourth Proportional to 372,560.28, 558,860.67 and 106,300.32

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Solution

The fourth proportional to 372,560.28, 558,860.67 and 106,300.32 is: 159,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,560.28 : 558,860.67 = 106,300.32 : x
  2. Step 2: Convert to fraction form
    372,560.28/558,860.67 = 106,300.32/x
  3. Step 3: Cross multiply
    372,560.28x = 558,860.67 × 106,300.32
  4. Step 4: Simplify right side
    372,560.28x = 59,407,068,056.41
  5. Step 5: Solve for x
    x = 59,407,068,056.41/372,560.28
  6. Step 6: Final answer
    x = 159,456.26

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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.