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Finding the Fourth Proportional to 633,195.69, 873,810.42 and 342,807.33

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Solution

The fourth proportional to 633,195.69, 873,810.42 and 342,807.33 is: 473,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,195.69 : 873,810.42 = 342,807.33 : x
  2. Step 2: Convert to fraction form
    633,195.69/873,810.42 = 342,807.33/x
  3. Step 3: Cross multiply
    633,195.69x = 873,810.42 × 342,807.33
  4. Step 4: Simplify right side
    633,195.69x = 299,548,615,720.85
  5. Step 5: Solve for x
    x = 299,548,615,720.85/633,195.69
  6. Step 6: Final answer
    x = 473,074.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.