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Finding the Fourth Proportional to 337,279.52, 465,475.20 and 186,405.68

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Solution

The fourth proportional to 337,279.52, 465,475.20 and 186,405.68 is: 257,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,279.52 : 465,475.20 = 186,405.68 : x
  2. Step 2: Convert to fraction form
    337,279.52/465,475.20 = 186,405.68/x
  3. Step 3: Cross multiply
    337,279.52x = 465,475.20 × 186,405.68
  4. Step 4: Simplify right side
    337,279.52x = 86,767,221,179.14
  5. Step 5: Solve for x
    x = 86,767,221,179.14/337,279.52
  6. Step 6: Final answer
    x = 257,256.12

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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.