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Finding the Fourth Proportional to 367,482.15, 551,272.43 and 130,826.88

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Solution

The fourth proportional to 367,482.15, 551,272.43 and 130,826.88 is: 196,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,482.15 : 551,272.43 = 130,826.88 : x
  2. Step 2: Convert to fraction form
    367,482.15/551,272.43 = 130,826.88/x
  3. Step 3: Cross multiply
    367,482.15x = 551,272.43 × 130,826.88
  4. Step 4: Simplify right side
    367,482.15x = 72,121,252,373.99
  5. Step 5: Solve for x
    x = 72,121,252,373.99/367,482.15
  6. Step 6: Final answer
    x = 196,257.84

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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.