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Finding the Fourth Proportional to 517,206.94, 774,151.01 and 276,719.26

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Solution

The fourth proportional to 517,206.94, 774,151.01 and 276,719.26 is: 414,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,206.94 : 774,151.01 = 276,719.26 : x
  2. Step 2: Convert to fraction form
    517,206.94/774,151.01 = 276,719.26/x
  3. Step 3: Cross multiply
    517,206.94x = 774,151.01 × 276,719.26
  4. Step 4: Simplify right side
    517,206.94x = 214,222,494,615.45
  5. Step 5: Solve for x
    x = 214,222,494,615.45/517,206.94
  6. Step 6: Final answer
    x = 414,191.07

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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.