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Finding the Fourth Proportional to 362,015.65, 543,084.32 and 151,669.81

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Solution

The fourth proportional to 362,015.65, 543,084.32 and 151,669.81 is: 227,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,015.65 : 543,084.32 = 151,669.81 : x
  2. Step 2: Convert to fraction form
    362,015.65/543,084.32 = 151,669.81/x
  3. Step 3: Cross multiply
    362,015.65x = 543,084.32 × 151,669.81
  4. Step 4: Simplify right side
    362,015.65x = 82,369,495,628.38
  5. Step 5: Solve for x
    x = 82,369,495,628.38/362,015.65
  6. Step 6: Final answer
    x = 227,530.21

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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.