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Finding the Fourth Proportional to 304,280.52, 456,415.11 and 91,048.56

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Solution

The fourth proportional to 304,280.52, 456,415.11 and 91,048.56 is: 136,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,280.52 : 456,415.11 = 91,048.56 : x
  2. Step 2: Convert to fraction form
    304,280.52/456,415.11 = 91,048.56/x
  3. Step 3: Cross multiply
    304,280.52x = 456,415.11 × 91,048.56
  4. Step 4: Simplify right side
    304,280.52x = 41,555,938,527.74
  5. Step 5: Solve for x
    x = 41,555,938,527.74/304,280.52
  6. Step 6: Final answer
    x = 136,571.14

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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.