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Finding the Fourth Proportional to 492,769.40, 739,154.10 and 227,048.90

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Solution

The fourth proportional to 492,769.40, 739,154.10 and 227,048.90 is: 340,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,769.40 : 739,154.10 = 227,048.90 : x
  2. Step 2: Convert to fraction form
    492,769.40/739,154.10 = 227,048.90/x
  3. Step 3: Cross multiply
    492,769.40x = 739,154.10 × 227,048.90
  4. Step 4: Simplify right side
    492,769.40x = 167,824,125,335.49
  5. Step 5: Solve for x
    x = 167,824,125,335.49/492,769.40
  6. Step 6: Final answer
    x = 340,573.35

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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.