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Finding the Fourth Proportional to 453,796.58, 680,698.74 and 129,583.83

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Solution

The fourth proportional to 453,796.58, 680,698.74 and 129,583.83 is: 194,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,796.58 : 680,698.74 = 129,583.83 : x
  2. Step 2: Convert to fraction form
    453,796.58/680,698.74 = 129,583.83/x
  3. Step 3: Cross multiply
    453,796.58x = 680,698.74 × 129,583.83
  4. Step 4: Simplify right side
    453,796.58x = 88,207,549,805.37
  5. Step 5: Solve for x
    x = 88,207,549,805.37/453,796.58
  6. Step 6: Final answer
    x = 194,376.85

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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.