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Finding the Fourth Proportional to 604,396.08, 905,680.71 and 404,358.39

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Solution

The fourth proportional to 604,396.08, 905,680.71 and 404,358.39 is: 605,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,396.08 : 905,680.71 = 404,358.39 : x
  2. Step 2: Convert to fraction form
    604,396.08/905,680.71 = 404,358.39/x
  3. Step 3: Cross multiply
    604,396.08x = 905,680.71 × 404,358.39
  4. Step 4: Simplify right side
    604,396.08x = 366,219,593,749.66
  5. Step 5: Solve for x
    x = 366,219,593,749.66/604,396.08
  6. Step 6: Final answer
    x = 605,926.49

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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.