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Finding the Fourth Proportional to 337,405.50, 465,620.40 and 186,502.50

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Solution

The fourth proportional to 337,405.50, 465,620.40 and 186,502.50 is: 257,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,405.50 : 465,620.40 = 186,502.50 : x
  2. Step 2: Convert to fraction form
    337,405.50/465,620.40 = 186,502.50/x
  3. Step 3: Cross multiply
    337,405.50x = 465,620.40 × 186,502.50
  4. Step 4: Simplify right side
    337,405.50x = 86,839,368,651
  5. Step 5: Solve for x
    x = 86,839,368,651/337,405.50
  6. Step 6: Final answer
    x = 257,373.90

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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.