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Finding the Fourth Proportional to 453,770.68, 680,655.98 and 121,338.04

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Solution

The fourth proportional to 453,770.68, 680,655.98 and 121,338.04 is: 182,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,770.68 : 680,655.98 = 121,338.04 : x
  2. Step 2: Convert to fraction form
    453,770.68/680,655.98 = 121,338.04/x
  3. Step 3: Cross multiply
    453,770.68x = 680,655.98 × 121,338.04
  4. Step 4: Simplify right side
    453,770.68x = 82,589,462,527.48
  5. Step 5: Solve for x
    x = 82,589,462,527.48/453,770.68
  6. Step 6: Final answer
    x = 182,007.05

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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.