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Finding the Fourth Proportional to 366,391.31, 549,589.68 and 113,667.03

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Solution

The fourth proportional to 366,391.31, 549,589.68 and 113,667.03 is: 170,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,391.31 : 549,589.68 = 113,667.03 : x
  2. Step 2: Convert to fraction form
    366,391.31/549,589.68 = 113,667.03/x
  3. Step 3: Cross multiply
    366,391.31x = 549,589.68 × 113,667.03
  4. Step 4: Simplify right side
    366,391.31x = 62,470,226,644.25
  5. Step 5: Solve for x
    x = 62,470,226,644.25/366,391.31
  6. Step 6: Final answer
    x = 170,501.39

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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.