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Finding the Fourth Proportional to 326,679.33, 490,037.45 and 116,317.27

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Solution

The fourth proportional to 326,679.33, 490,037.45 and 116,317.27 is: 174,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,679.33 : 490,037.45 = 116,317.27 : x
  2. Step 2: Convert to fraction form
    326,679.33/490,037.45 = 116,317.27/x
  3. Step 3: Cross multiply
    326,679.33x = 490,037.45 × 116,317.27
  4. Step 4: Simplify right side
    326,679.33x = 56,999,815,656.26
  5. Step 5: Solve for x
    x = 56,999,815,656.26/326,679.33
  6. Step 6: Final answer
    x = 174,482.47

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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.