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Finding the Fourth Proportional to 362,684.94, 544,041.21 and 138,003.42

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Solution

The fourth proportional to 362,684.94, 544,041.21 and 138,003.42 is: 207,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,684.94 : 544,041.21 = 138,003.42 : x
  2. Step 2: Convert to fraction form
    362,684.94/544,041.21 = 138,003.42/x
  3. Step 3: Cross multiply
    362,684.94x = 544,041.21 × 138,003.42
  4. Step 4: Simplify right side
    362,684.94x = 75,079,547,600.94
  5. Step 5: Solve for x
    x = 75,079,547,600.94/362,684.94
  6. Step 6: Final answer
    x = 207,010.38

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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.