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Finding the Fourth Proportional to 508,185.66, 701,291.34 and 278,738.19

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Solution

The fourth proportional to 508,185.66, 701,291.34 and 278,738.19 is: 384,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,185.66 : 701,291.34 = 278,738.19 : x
  2. Step 2: Convert to fraction form
    508,185.66/701,291.34 = 278,738.19/x
  3. Step 3: Cross multiply
    508,185.66x = 701,291.34 × 278,738.19
  4. Step 4: Simplify right side
    508,185.66x = 195,476,678,774.28
  5. Step 5: Solve for x
    x = 195,476,678,774.28/508,185.66
  6. Step 6: Final answer
    x = 384,656.03

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