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Finding the Fourth Proportional to 416,842.09, 626,100.11 and 248,690.95

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Solution

The fourth proportional to 416,842.09, 626,100.11 and 248,690.95 is: 373,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,842.09 : 626,100.11 = 248,690.95 : x
  2. Step 2: Convert to fraction form
    416,842.09/626,100.11 = 248,690.95/x
  3. Step 3: Cross multiply
    416,842.09x = 626,100.11 × 248,690.95
  4. Step 4: Simplify right side
    416,842.09x = 155,705,431,151.01
  5. Step 5: Solve for x
    x = 155,705,431,151.01/416,842.09
  6. Step 6: Final answer
    x = 373,535.77

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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.