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Finding the Fourth Proportional to 554,240.65, 764,851.77 and 299,591.84

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Solution

The fourth proportional to 554,240.65, 764,851.77 and 299,591.84 is: 413,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,240.65 : 764,851.77 = 299,591.84 : x
  2. Step 2: Convert to fraction form
    554,240.65/764,851.77 = 299,591.84/x
  3. Step 3: Cross multiply
    554,240.65x = 764,851.77 × 299,591.84
  4. Step 4: Simplify right side
    554,240.65x = 229,143,349,101.56
  5. Step 5: Solve for x
    x = 229,143,349,101.56/554,240.65
  6. Step 6: Final answer
    x = 413,436.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.