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Finding the Fourth Proportional to 343,183.42, 473,611.92 and 190,239.73

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Solution

The fourth proportional to 343,183.42, 473,611.92 and 190,239.73 is: 262,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,183.42 : 473,611.92 = 190,239.73 : x
  2. Step 2: Convert to fraction form
    343,183.42/473,611.92 = 190,239.73/x
  3. Step 3: Cross multiply
    343,183.42x = 473,611.92 × 190,239.73
  4. Step 4: Simplify right side
    343,183.42x = 90,099,803,785.58
  5. Step 5: Solve for x
    x = 90,099,803,785.58/343,183.42
  6. Step 6: Final answer
    x = 262,541.25

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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.