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Finding the Fourth Proportional to 362,671.64, 544,099.74 and 213,038.48

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Solution

The fourth proportional to 362,671.64, 544,099.74 and 213,038.48 is: 319,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,671.64 : 544,099.74 = 213,038.48 : x
  2. Step 2: Convert to fraction form
    362,671.64/544,099.74 = 213,038.48/x
  3. Step 3: Cross multiply
    362,671.64x = 544,099.74 × 213,038.48
  4. Step 4: Simplify right side
    362,671.64x = 115,914,181,578.00
  5. Step 5: Solve for x
    x = 115,914,181,578.00/362,671.64
  6. Step 6: Final answer
    x = 319,611.93

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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.