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Finding the Fourth Proportional to 604,392.53, 905,675.37 and 404,354.82

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Solution

The fourth proportional to 604,392.53, 905,675.37 and 404,354.82 is: 605,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,392.53 : 905,675.37 = 404,354.82 : x
  2. Step 2: Convert to fraction form
    604,392.53/905,675.37 = 404,354.82/x
  3. Step 3: Cross multiply
    604,392.53x = 905,675.37 × 404,354.82
  4. Step 4: Simplify right side
    604,392.53x = 366,214,198,000.31
  5. Step 5: Solve for x
    x = 366,214,198,000.31/604,392.53
  6. Step 6: Final answer
    x = 605,921.12

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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.