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Finding the Fourth Proportional to 343,967.67, 474,659.41 and 191,015.55

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Solution

The fourth proportional to 343,967.67, 474,659.41 and 191,015.55 is: 263,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,967.67 : 474,659.41 = 191,015.55 : x
  2. Step 2: Convert to fraction form
    343,967.67/474,659.41 = 191,015.55/x
  3. Step 3: Cross multiply
    343,967.67x = 474,659.41 × 191,015.55
  4. Step 4: Simplify right side
    343,967.67x = 90,667,328,263.83
  5. Step 5: Solve for x
    x = 90,667,328,263.83/343,967.67
  6. Step 6: Final answer
    x = 263,592.59

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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.