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Finding the Fourth Proportional to 656,994.35, 906,626.74 and 366,590.82

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Solution

The fourth proportional to 656,994.35, 906,626.74 and 366,590.82 is: 505,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,994.35 : 906,626.74 = 366,590.82 : x
  2. Step 2: Convert to fraction form
    656,994.35/906,626.74 = 366,590.82/x
  3. Step 3: Cross multiply
    656,994.35x = 906,626.74 × 366,590.82
  4. Step 4: Simplify right side
    656,994.35x = 332,361,040,508.77
  5. Step 5: Solve for x
    x = 332,361,040,508.77/656,994.35
  6. Step 6: Final answer
    x = 505,881.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.