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Finding the Fourth Proportional to 362,777.72, 544,323.33 and 138,205.62

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Solution

The fourth proportional to 362,777.72, 544,323.33 and 138,205.62 is: 207,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,777.72 : 544,323.33 = 138,205.62 : x
  2. Step 2: Convert to fraction form
    362,777.72/544,323.33 = 138,205.62/x
  3. Step 3: Cross multiply
    362,777.72x = 544,323.33 × 138,205.62
  4. Step 4: Simplify right side
    362,777.72x = 75,228,543,303.11
  5. Step 5: Solve for x
    x = 75,228,543,303.11/362,777.72
  6. Step 6: Final answer
    x = 207,368.15

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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.