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Finding the Fourth Proportional to 453,564.74, 680,568.42 and 285,164.24

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Solution

The fourth proportional to 453,564.74, 680,568.42 and 285,164.24 is: 427,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,564.74 : 680,568.42 = 285,164.24 : x
  2. Step 2: Convert to fraction form
    453,564.74/680,568.42 = 285,164.24/x
  3. Step 3: Cross multiply
    453,564.74x = 680,568.42 × 285,164.24
  4. Step 4: Simplify right side
    453,564.74x = 194,073,776,257.30
  5. Step 5: Solve for x
    x = 194,073,776,257.30/453,564.74
  6. Step 6: Final answer
    x = 427,885.50

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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.