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Finding the Fourth Proportional to 908,274.75, 1,253,419.16 and 505,866.75

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Solution

The fourth proportional to 908,274.75, 1,253,419.16 and 505,866.75 is: 698,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,274.75 : 1,253,419.16 = 505,866.75 : x
  2. Step 2: Convert to fraction form
    908,274.75/1,253,419.16 = 505,866.75/x
  3. Step 3: Cross multiply
    908,274.75x = 1,253,419.16 × 505,866.75
  4. Step 4: Simplify right side
    908,274.75x = 634,063,074,327.60
  5. Step 5: Solve for x
    x = 634,063,074,327.60/908,274.75
  6. Step 6: Final answer
    x = 698,096.12

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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.