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Finding the Fourth Proportional to 554,178.71, 764,766.74 and 299,529.11

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Solution

The fourth proportional to 554,178.71, 764,766.74 and 299,529.11 is: 413,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,178.71 : 764,766.74 = 299,529.11 : x
  2. Step 2: Convert to fraction form
    554,178.71/764,766.74 = 299,529.11/x
  3. Step 3: Cross multiply
    554,178.71x = 764,766.74 × 299,529.11
  4. Step 4: Simplify right side
    554,178.71x = 229,069,900,989.80
  5. Step 5: Solve for x
    x = 229,069,900,989.80/554,178.71
  6. Step 6: Final answer
    x = 413,350.24

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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.