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Finding the Fourth Proportional to 341,990.76, 471,946.26 and 191,087.88

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Solution

The fourth proportional to 341,990.76, 471,946.26 and 191,087.88 is: 263,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,990.76 : 471,946.26 = 191,087.88 : x
  2. Step 2: Convert to fraction form
    341,990.76/471,946.26 = 191,087.88/x
  3. Step 3: Cross multiply
    341,990.76x = 471,946.26 × 191,087.88
  4. Step 4: Simplify right side
    341,990.76x = 90,183,210,297.33
  5. Step 5: Solve for x
    x = 90,183,210,297.33/341,990.76
  6. Step 6: Final answer
    x = 263,700.72

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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.