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Finding the Fourth Proportional to 452,688.04, 678,367.42 and 227,739.28

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Solution

The fourth proportional to 452,688.04, 678,367.42 and 227,739.28 is: 341,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,688.04 : 678,367.42 = 227,739.28 : x
  2. Step 2: Convert to fraction form
    452,688.04/678,367.42 = 227,739.28/x
  3. Step 3: Cross multiply
    452,688.04x = 678,367.42 × 227,739.28
  4. Step 4: Simplify right side
    452,688.04x = 154,490,907,806.26
  5. Step 5: Solve for x
    x = 154,490,907,806.26/452,688.04
  6. Step 6: Final answer
    x = 341,274.55

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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.