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Finding the Fourth Proportional to 337,279.65, 465,475.37 and 186,405.81

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Solution

The fourth proportional to 337,279.65, 465,475.37 and 186,405.81 is: 257,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,279.65 : 465,475.37 = 186,405.81 : x
  2. Step 2: Convert to fraction form
    337,279.65/465,475.37 = 186,405.81/x
  3. Step 3: Cross multiply
    337,279.65x = 465,475.37 × 186,405.81
  4. Step 4: Simplify right side
    337,279.65x = 86,767,313,379.90
  5. Step 5: Solve for x
    x = 86,767,313,379.90/337,279.65
  6. Step 6: Final answer
    x = 257,256.30

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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.