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Finding the Fourth Proportional to 366,115.46, 505,179.18 and 230,053.05

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Solution

The fourth proportional to 366,115.46, 505,179.18 and 230,053.05 is: 317,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,115.46 : 505,179.18 = 230,053.05 : x
  2. Step 2: Convert to fraction form
    366,115.46/505,179.18 = 230,053.05/x
  3. Step 3: Cross multiply
    366,115.46x = 505,179.18 × 230,053.05
  4. Step 4: Simplify right side
    366,115.46x = 116,218,011,155.50
  5. Step 5: Solve for x
    x = 116,218,011,155.50/366,115.46
  6. Step 6: Final answer
    x = 317,435.41

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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.