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Finding the Fourth Proportional to 574,811.64, 861,330.51 and 364,006.71

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Solution

The fourth proportional to 574,811.64, 861,330.51 and 364,006.71 is: 545,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,811.64 : 861,330.51 = 364,006.71 : x
  2. Step 2: Convert to fraction form
    574,811.64/861,330.51 = 364,006.71/x
  3. Step 3: Cross multiply
    574,811.64x = 861,330.51 × 364,006.71
  4. Step 4: Simplify right side
    574,811.64x = 313,530,085,167.72
  5. Step 5: Solve for x
    x = 313,530,085,167.72/574,811.64
  6. Step 6: Final answer
    x = 545,448.39

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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.