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Finding the Fourth Proportional to 458,791.30, 633,110.57 and 254,855.35

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Solution

The fourth proportional to 458,791.30, 633,110.57 and 254,855.35 is: 351,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,791.30 : 633,110.57 = 254,855.35 : x
  2. Step 2: Convert to fraction form
    458,791.30/633,110.57 = 254,855.35/x
  3. Step 3: Cross multiply
    458,791.30x = 633,110.57 × 254,855.35
  4. Step 4: Simplify right side
    458,791.30x = 161,351,614,631.77
  5. Step 5: Solve for x
    x = 161,351,614,631.77/458,791.30
  6. Step 6: Final answer
    x = 351,688.48

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1.5x scale

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.