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Finding the Fourth Proportional to 362,381.90, 543,555.54 and 122,479.83

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Solution

The fourth proportional to 362,381.90, 543,555.54 and 122,479.83 is: 183,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,381.90 : 543,555.54 = 122,479.83 : x
  2. Step 2: Convert to fraction form
    362,381.90/543,555.54 = 122,479.83/x
  3. Step 3: Cross multiply
    362,381.90x = 543,555.54 × 122,479.83
  4. Step 4: Simplify right side
    362,381.90x = 66,574,590,134.76
  5. Step 5: Solve for x
    x = 66,574,590,134.76/362,381.90
  6. Step 6: Final answer
    x = 183,713.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.