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Finding the Fourth Proportional to 362,560.10, 543,653.33 and 162,709.16

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Solution

The fourth proportional to 362,560.10, 543,653.33 and 162,709.16 is: 243,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,560.10 : 543,653.33 = 162,709.16 : x
  2. Step 2: Convert to fraction form
    362,560.10/543,653.33 = 162,709.16/x
  3. Step 3: Cross multiply
    362,560.10x = 543,653.33 × 162,709.16
  4. Step 4: Simplify right side
    362,560.10x = 88,457,373,123.69
  5. Step 5: Solve for x
    x = 88,457,373,123.69/362,560.10
  6. Step 6: Final answer
    x = 243,979.89

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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.