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Finding the Fourth Proportional to 367,566.40, 551,479.20 and 354,606.40

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Solution

The fourth proportional to 367,566.40, 551,479.20 and 354,606.40 is: 532,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,566.40 : 551,479.20 = 354,606.40 : x
  2. Step 2: Convert to fraction form
    367,566.40/551,479.20 = 354,606.40/x
  3. Step 3: Cross multiply
    367,566.40x = 551,479.20 × 354,606.40
  4. Step 4: Simplify right side
    367,566.40x = 195,558,053,786.88
  5. Step 5: Solve for x
    x = 195,558,053,786.88/367,566.40
  6. Step 6: Final answer
    x = 532,034.63

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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.