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Finding the Fourth Proportional to 655,314.36, 983,324.70 and 276,497.64

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Solution

The fourth proportional to 655,314.36, 983,324.70 and 276,497.64 is: 414,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,314.36 : 983,324.70 = 276,497.64 : x
  2. Step 2: Convert to fraction form
    655,314.36/983,324.70 = 276,497.64/x
  3. Step 3: Cross multiply
    655,314.36x = 983,324.70 × 276,497.64
  4. Step 4: Simplify right side
    655,314.36x = 271,886,958,903.71
  5. Step 5: Solve for x
    x = 271,886,958,903.71/655,314.36
  6. Step 6: Final answer
    x = 414,895.47

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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.