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Finding the Fourth Proportional to 341,446.20, 471,192.06 and 188,485.56

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Solution

The fourth proportional to 341,446.20, 471,192.06 and 188,485.56 is: 260,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,446.20 : 471,192.06 = 188,485.56 : x
  2. Step 2: Convert to fraction form
    341,446.20/471,192.06 = 188,485.56/x
  3. Step 3: Cross multiply
    341,446.20x = 471,192.06 × 188,485.56
  4. Step 4: Simplify right side
    341,446.20x = 88,812,899,296.65
  5. Step 5: Solve for x
    x = 88,812,899,296.65/341,446.20
  6. Step 6: Final answer
    x = 260,108.03

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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.