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Finding the Fourth Proportional to 574,464.07, 861,097.11 and 321,373.50

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Solution

The fourth proportional to 574,464.07, 861,097.11 and 321,373.50 is: 481,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,464.07 : 861,097.11 = 321,373.50 : x
  2. Step 2: Convert to fraction form
    574,464.07/861,097.11 = 321,373.50/x
  3. Step 3: Cross multiply
    574,464.07x = 861,097.11 × 321,373.50
  4. Step 4: Simplify right side
    574,464.07x = 276,733,792,080.59
  5. Step 5: Solve for x
    x = 276,733,792,080.59/574,464.07
  6. Step 6: Final answer
    x = 481,725.15

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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.