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Finding the Fourth Proportional to 517,150.99, 776,453.06 and 264,612.57

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Solution

The fourth proportional to 517,150.99, 776,453.06 and 264,612.57 is: 397,290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,150.99 : 776,453.06 = 264,612.57 : x
  2. Step 2: Convert to fraction form
    517,150.99/776,453.06 = 264,612.57/x
  3. Step 3: Cross multiply
    517,150.99x = 776,453.06 × 264,612.57
  4. Step 4: Simplify right side
    517,150.99x = 205,459,239,690.96
  5. Step 5: Solve for x
    x = 205,459,239,690.96/517,150.99
  6. Step 6: Final answer
    x = 397,290.62

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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.