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Finding the Fourth Proportional to 604,811.88, 906,709.34 and 404,520.96

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Solution

The fourth proportional to 604,811.88, 906,709.34 and 404,520.96 is: 606,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,811.88 : 906,709.34 = 404,520.96 : x
  2. Step 2: Convert to fraction form
    604,811.88/906,709.34 = 404,520.96/x
  3. Step 3: Cross multiply
    604,811.88x = 906,709.34 × 404,520.96
  4. Step 4: Simplify right side
    604,811.88x = 366,782,932,657.77
  5. Step 5: Solve for x
    x = 366,782,932,657.77/604,811.88
  6. Step 6: Final answer
    x = 606,441.35

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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.