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Finding the Fourth Proportional to 480,311.57, 720,450.94 and 227,713.07

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Solution

The fourth proportional to 480,311.57, 720,450.94 and 227,713.07 is: 341,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,311.57 : 720,450.94 = 227,713.07 : x
  2. Step 2: Convert to fraction form
    480,311.57/720,450.94 = 227,713.07/x
  3. Step 3: Cross multiply
    480,311.57x = 720,450.94 × 227,713.07
  4. Step 4: Simplify right side
    480,311.57x = 164,056,095,331.79
  5. Step 5: Solve for x
    x = 164,056,095,331.79/480,311.57
  6. Step 6: Final answer
    x = 341,561.82

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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.