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Finding the Fourth Proportional to 366,486.89, 548,981.95 and 188,620.22

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Solution

The fourth proportional to 366,486.89, 548,981.95 and 188,620.22 is: 282,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,486.89 : 548,981.95 = 188,620.22 : x
  2. Step 2: Convert to fraction form
    366,486.89/548,981.95 = 188,620.22/x
  3. Step 3: Cross multiply
    366,486.89x = 548,981.95 × 188,620.22
  4. Step 4: Simplify right side
    366,486.89x = 103,549,096,185.03
  5. Step 5: Solve for x
    x = 103,549,096,185.03/366,486.89
  6. Step 6: Final answer
    x = 282,545.16

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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.