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Finding the Fourth Proportional to 342,494.60, 472,623.54 and 191,562.44

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Solution

The fourth proportional to 342,494.60, 472,623.54 and 191,562.44 is: 264,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,494.60 : 472,623.54 = 191,562.44 : x
  2. Step 2: Convert to fraction form
    342,494.60/472,623.54 = 191,562.44/x
  3. Step 3: Cross multiply
    342,494.60x = 472,623.54 × 191,562.44
  4. Step 4: Simplify right side
    342,494.60x = 90,536,918,523.84
  5. Step 5: Solve for x
    x = 90,536,918,523.84/342,494.60
  6. Step 6: Final answer
    x = 264,345.54

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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.