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Finding the Fourth Proportional to 366,369.90, 549,633.29 and 113,644.91

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Solution

The fourth proportional to 366,369.90, 549,633.29 and 113,644.91 is: 170,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,369.90 : 549,633.29 = 113,644.91 : x
  2. Step 2: Convert to fraction form
    366,369.90/549,633.29 = 113,644.91/x
  3. Step 3: Cross multiply
    366,369.90x = 549,633.29 × 113,644.91
  4. Step 4: Simplify right side
    366,369.90x = 62,463,022,458.66
  5. Step 5: Solve for x
    x = 62,463,022,458.66/366,369.90
  6. Step 6: Final answer
    x = 170,491.69

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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.