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Finding the Fourth Proportional to 362,401.80, 543,084.30 and 266,886.60

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Solution

The fourth proportional to 362,401.80, 543,084.30 and 266,886.60 is: 399,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,401.80 : 543,084.30 = 266,886.60 : x
  2. Step 2: Convert to fraction form
    362,401.80/543,084.30 = 266,886.60/x
  3. Step 3: Cross multiply
    362,401.80x = 543,084.30 × 266,886.60
  4. Step 4: Simplify right side
    362,401.80x = 144,941,922,340.38
  5. Step 5: Solve for x
    x = 144,941,922,340.38/362,401.80
  6. Step 6: Final answer
    x = 399,948.13

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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.