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Finding the Fourth Proportional to 373,990.35, 515,656.44 and 259,368.33

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Solution

The fourth proportional to 373,990.35, 515,656.44 and 259,368.33 is: 357,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,990.35 : 515,656.44 = 259,368.33 : x
  2. Step 2: Convert to fraction form
    373,990.35/515,656.44 = 259,368.33/x
  3. Step 3: Cross multiply
    373,990.35x = 515,656.44 × 259,368.33
  4. Step 4: Simplify right side
    373,990.35x = 133,744,949,696.55
  5. Step 5: Solve for x
    x = 133,744,949,696.55/373,990.35
  6. Step 6: Final answer
    x = 357,616.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.