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Finding the Fourth Proportional to 366,420.57, 549,683.02 and 113,722.89

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Solution

The fourth proportional to 366,420.57, 549,683.02 and 113,722.89 is: 170,600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,420.57 : 549,683.02 = 113,722.89 : x
  2. Step 2: Convert to fraction form
    366,420.57/549,683.02 = 113,722.89/x
  3. Step 3: Cross multiply
    366,420.57x = 549,683.02 × 113,722.89
  4. Step 4: Simplify right side
    366,420.57x = 62,511,542,791.14
  5. Step 5: Solve for x
    x = 62,511,542,791.14/366,420.57
  6. Step 6: Final answer
    x = 170,600.53

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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.