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Finding the Fourth Proportional to 453,992.59, 680,994.33 and 154,479.34

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Solution

The fourth proportional to 453,992.59, 680,994.33 and 154,479.34 is: 231,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,992.59 : 680,994.33 = 154,479.34 : x
  2. Step 2: Convert to fraction form
    453,992.59/680,994.33 = 154,479.34/x
  3. Step 3: Cross multiply
    453,992.59x = 680,994.33 × 154,479.34
  4. Step 4: Simplify right side
    453,992.59x = 105,199,554,642.14
  5. Step 5: Solve for x
    x = 105,199,554,642.14/453,992.59
  6. Step 6: Final answer
    x = 231,720.86

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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.