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Finding the Fourth Proportional to 608,716.76, 913,269.54 and 293,205.56

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Solution

The fourth proportional to 608,716.76, 913,269.54 and 293,205.56 is: 439,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,716.76 : 913,269.54 = 293,205.56 : x
  2. Step 2: Convert to fraction form
    608,716.76/913,269.54 = 293,205.56/x
  3. Step 3: Cross multiply
    608,716.76x = 913,269.54 × 293,205.56
  4. Step 4: Simplify right side
    608,716.76x = 267,775,706,906.64
  5. Step 5: Solve for x
    x = 267,775,706,906.64/608,716.76
  6. Step 6: Final answer
    x = 439,901.98

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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.