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Finding the Fourth Proportional to 326,698.35, 490,065.95 and 116,336.31

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Solution

The fourth proportional to 326,698.35, 490,065.95 and 116,336.31 is: 174,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,698.35 : 490,065.95 = 116,336.31 : x
  2. Step 2: Convert to fraction form
    326,698.35/490,065.95 = 116,336.31/x
  3. Step 3: Cross multiply
    326,698.35x = 490,065.95 × 116,336.31
  4. Step 4: Simplify right side
    326,698.35x = 57,012,464,279.64
  5. Step 5: Solve for x
    x = 57,012,464,279.64/326,698.35
  6. Step 6: Final answer
    x = 174,511.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.