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Finding the Fourth Proportional to 634,571.56, 951,551.15 and 368,399.08

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Solution

The fourth proportional to 634,571.56, 951,551.15 and 368,399.08 is: 552,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,571.56 : 951,551.15 = 368,399.08 : x
  2. Step 2: Convert to fraction form
    634,571.56/951,551.15 = 368,399.08/x
  3. Step 3: Cross multiply
    634,571.56x = 951,551.15 × 368,399.08
  4. Step 4: Simplify right side
    634,571.56x = 350,550,568,232.94
  5. Step 5: Solve for x
    x = 350,550,568,232.94/634,571.56
  6. Step 6: Final answer
    x = 552,420.86

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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.