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Finding the Fourth Proportional to 367,473.42, 551,288.79 and 127,594.80

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Solution

The fourth proportional to 367,473.42, 551,288.79 and 127,594.80 is: 191,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,473.42 : 551,288.79 = 127,594.80 : x
  2. Step 2: Convert to fraction form
    367,473.42/551,288.79 = 127,594.80/x
  3. Step 3: Cross multiply
    367,473.42x = 551,288.79 × 127,594.80
  4. Step 4: Simplify right side
    367,473.42x = 70,341,582,902.29
  5. Step 5: Solve for x
    x = 70,341,582,902.29/367,473.42
  6. Step 6: Final answer
    x = 191,419.51

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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.