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Finding the Fourth Proportional to 554,491.24, 764,685.85 and 350,186.56

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Solution

The fourth proportional to 554,491.24, 764,685.85 and 350,186.56 is: 482,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,491.24 : 764,685.85 = 350,186.56 : x
  2. Step 2: Convert to fraction form
    554,491.24/764,685.85 = 350,186.56/x
  3. Step 3: Cross multiply
    554,491.24x = 764,685.85 × 350,186.56
  4. Step 4: Simplify right side
    554,491.24x = 267,782,707,292.18
  5. Step 5: Solve for x
    x = 267,782,707,292.18/554,491.24
  6. Step 6: Final answer
    x = 482,934.06

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1.5x scale

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.