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Finding the Fourth Proportional to 342,044.48, 472,017.96 and 191,141.48

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Solution

The fourth proportional to 342,044.48, 472,017.96 and 191,141.48 is: 263,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,044.48 : 472,017.96 = 191,141.48 : x
  2. Step 2: Convert to fraction form
    342,044.48/472,017.96 = 191,141.48/x
  3. Step 3: Cross multiply
    342,044.48x = 472,017.96 × 191,141.48
  4. Step 4: Simplify right side
    342,044.48x = 90,222,211,460.98
  5. Step 5: Solve for x
    x = 90,222,211,460.98/342,044.48
  6. Step 6: Final answer
    x = 263,773.33

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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.