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Finding the Fourth Proportional to 575,854.74, 863,782.04 and 196,778.75

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Solution

The fourth proportional to 575,854.74, 863,782.04 and 196,778.75 is: 295,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,854.74 : 863,782.04 = 196,778.75 : x
  2. Step 2: Convert to fraction form
    575,854.74/863,782.04 = 196,778.75/x
  3. Step 3: Cross multiply
    575,854.74x = 863,782.04 × 196,778.75
  4. Step 4: Simplify right side
    575,854.74x = 169,973,944,800.85
  5. Step 5: Solve for x
    x = 169,973,944,800.85/575,854.74
  6. Step 6: Final answer
    x = 295,168.09

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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.