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Finding the Fourth Proportional to 416,521.80, 624,653.28 and 150,247.72

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Solution

The fourth proportional to 416,521.80, 624,653.28 and 150,247.72 is: 225,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,521.80 : 624,653.28 = 150,247.72 : x
  2. Step 2: Convert to fraction form
    416,521.80/624,653.28 = 150,247.72/x
  3. Step 3: Cross multiply
    416,521.80x = 624,653.28 × 150,247.72
  4. Step 4: Simplify right side
    416,521.80x = 93,852,731,110.52
  5. Step 5: Solve for x
    x = 93,852,731,110.52/416,521.80
  6. Step 6: Final answer
    x = 225,324.90

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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.