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Finding the Fourth Proportional to 366,390.90, 549,664.83 and 113,665.95

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Solution

The fourth proportional to 366,390.90, 549,664.83 and 113,665.95 is: 170,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,390.90 : 549,664.83 = 113,665.95 : x
  2. Step 2: Convert to fraction form
    366,390.90/549,664.83 = 113,665.95/x
  3. Step 3: Cross multiply
    366,390.90x = 549,664.83 × 113,665.95
  4. Step 4: Simplify right side
    366,390.90x = 62,478,175,083.54
  5. Step 5: Solve for x
    x = 62,478,175,083.54/366,390.90
  6. Step 6: Final answer
    x = 170,523.27

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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.