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Finding the Fourth Proportional to 416,910.56, 625,376.21 and 117,389.11

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Solution

The fourth proportional to 416,910.56, 625,376.21 and 117,389.11 is: 176,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,910.56 : 625,376.21 = 117,389.11 : x
  2. Step 2: Convert to fraction form
    416,910.56/625,376.21 = 117,389.11/x
  3. Step 3: Cross multiply
    416,910.56x = 625,376.21 × 117,389.11
  4. Step 4: Simplify right side
    416,910.56x = 73,412,357,516.64
  5. Step 5: Solve for x
    x = 73,412,357,516.64/416,910.56
  6. Step 6: Final answer
    x = 176,086.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.