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Finding the Fourth Proportional to 311,504.80, 467,303.28 and 124,512.16

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Solution

The fourth proportional to 311,504.80, 467,303.28 and 124,512.16 is: 186,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,504.80 : 467,303.28 = 124,512.16 : x
  2. Step 2: Convert to fraction form
    311,504.80/467,303.28 = 124,512.16/x
  3. Step 3: Cross multiply
    311,504.80x = 467,303.28 × 124,512.16
  4. Step 4: Simplify right side
    311,504.80x = 58,184,940,767.88
  5. Step 5: Solve for x
    x = 58,184,940,767.88/311,504.80
  6. Step 6: Final answer
    x = 186,786.66

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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.