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Finding the Fourth Proportional to 554,490.24, 764,684.47 and 350,185.56

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Solution

The fourth proportional to 554,490.24, 764,684.47 and 350,185.56 is: 482,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,490.24 : 764,684.47 = 350,185.56 : x
  2. Step 2: Convert to fraction form
    554,490.24/764,684.47 = 350,185.56/x
  3. Step 3: Cross multiply
    554,490.24x = 764,684.47 × 350,185.56
  4. Step 4: Simplify right side
    554,490.24x = 267,781,459,350.25
  5. Step 5: Solve for x
    x = 267,781,459,350.25/554,490.24
  6. Step 6: Final answer
    x = 482,932.68

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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.