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Finding the Fourth Proportional to 453,562.74, 680,565.42 and 285,162.24

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Solution

The fourth proportional to 453,562.74, 680,565.42 and 285,162.24 is: 427,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,562.74 : 680,565.42 = 285,162.24 : x
  2. Step 2: Convert to fraction form
    453,562.74/680,565.42 = 285,162.24/x
  3. Step 3: Cross multiply
    453,562.74x = 680,565.42 × 285,162.24
  4. Step 4: Simplify right side
    453,562.74x = 194,071,559,633.74
  5. Step 5: Solve for x
    x = 194,071,559,633.74/453,562.74
  6. Step 6: Final answer
    x = 427,882.50

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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.