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Finding the Fourth Proportional to 654,368.82, 980,552.04 and 440,344.14

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Solution

The fourth proportional to 654,368.82, 980,552.04 and 440,344.14 is: 659,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,368.82 : 980,552.04 = 440,344.14 : x
  2. Step 2: Convert to fraction form
    654,368.82/980,552.04 = 440,344.14/x
  3. Step 3: Cross multiply
    654,368.82x = 980,552.04 × 440,344.14
  4. Step 4: Simplify right side
    654,368.82x = 431,780,344,779.05
  5. Step 5: Solve for x
    x = 431,780,344,779.05/654,368.82
  6. Step 6: Final answer
    x = 659,842.48

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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.