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Finding the Fourth Proportional to 634,804.20, 952,454.16 and 279,568.56

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Solution

The fourth proportional to 634,804.20, 952,454.16 and 279,568.56 is: 419,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,804.20 : 952,454.16 = 279,568.56 : x
  2. Step 2: Convert to fraction form
    634,804.20/952,454.16 = 279,568.56/x
  3. Step 3: Cross multiply
    634,804.20x = 952,454.16 × 279,568.56
  4. Step 4: Simplify right side
    634,804.20x = 266,276,237,977.21
  5. Step 5: Solve for x
    x = 266,276,237,977.21/634,804.20
  6. Step 6: Final answer
    x = 419,462.00

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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.