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Finding the Fourth Proportional to 360,458.74, 540,725.09 and 136,008.04

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Solution

The fourth proportional to 360,458.74, 540,725.09 and 136,008.04 is: 204,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,458.74 : 540,725.09 = 136,008.04 : x
  2. Step 2: Convert to fraction form
    360,458.74/540,725.09 = 136,008.04/x
  3. Step 3: Cross multiply
    360,458.74x = 540,725.09 × 136,008.04
  4. Step 4: Simplify right side
    360,458.74x = 73,542,958,651.73
  5. Step 5: Solve for x
    x = 73,542,958,651.73/360,458.74
  6. Step 6: Final answer
    x = 204,026.01

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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.