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Finding the Fourth Proportional to 362,566.10, 543,662.33 and 162,715.16

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Solution

The fourth proportional to 362,566.10, 543,662.33 and 162,715.16 is: 243,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,566.10 : 543,662.33 = 162,715.16 : x
  2. Step 2: Convert to fraction form
    362,566.10/543,662.33 = 162,715.16/x
  3. Step 3: Cross multiply
    362,566.10x = 543,662.33 × 162,715.16
  4. Step 4: Simplify right side
    362,566.10x = 88,462,099,480.04
  5. Step 5: Solve for x
    x = 88,462,099,480.04/362,566.10
  6. Step 6: Final answer
    x = 243,988.89

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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.