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Finding the Fourth Proportional to 337,406.50, 465,621.78 and 186,503.50

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Solution

The fourth proportional to 337,406.50, 465,621.78 and 186,503.50 is: 257,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,406.50 : 465,621.78 = 186,503.50 : x
  2. Step 2: Convert to fraction form
    337,406.50/465,621.78 = 186,503.50/x
  3. Step 3: Cross multiply
    337,406.50x = 465,621.78 × 186,503.50
  4. Step 4: Simplify right side
    337,406.50x = 86,840,091,646.23
  5. Step 5: Solve for x
    x = 86,840,091,646.23/337,406.50
  6. Step 6: Final answer
    x = 257,375.28

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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.