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Finding the Fourth Proportional to 337,329, 465,507.78 and 186,422.76

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Solution

The fourth proportional to 337,329, 465,507.78 and 186,422.76 is: 257,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,329 : 465,507.78 = 186,422.76 : x
  2. Step 2: Convert to fraction form
    337,329/465,507.78 = 186,422.76/x
  3. Step 3: Cross multiply
    337,329x = 465,507.78 × 186,422.76
  4. Step 4: Simplify right side
    337,329x = 86,781,245,149.07
  5. Step 5: Solve for x
    x = 86,781,245,149.07/337,329
  6. Step 6: Final answer
    x = 257,259.96

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1.5x scale

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.