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Finding the Fourth Proportional to 806,697, 1,209,763.20 and 237,927.12

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Solution

The fourth proportional to 806,697, 1,209,763.20 and 237,927.12 is: 356,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,697 : 1,209,763.20 = 237,927.12 : x
  2. Step 2: Convert to fraction form
    806,697/1,209,763.20 = 237,927.12/x
  3. Step 3: Cross multiply
    806,697x = 1,209,763.20 × 237,927.12
  4. Step 4: Simplify right side
    806,697x = 287,835,474,057.98
  5. Step 5: Solve for x
    x = 287,835,474,057.98/806,697
  6. Step 6: Final answer
    x = 356,807.42

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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.