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Finding the Fourth Proportional to 4,906,259.02, 7,359,388.04 and 1,311,932.55

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Solution

The fourth proportional to 4,906,259.02, 7,359,388.04 and 1,311,932.55 is: 1,967,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906,259.02 : 7,359,388.04 = 1,311,932.55 : x
  2. Step 2: Convert to fraction form
    4,906,259.02/7,359,388.04 = 1,311,932.55/x
  3. Step 3: Cross multiply
    4,906,259.02x = 7,359,388.04 × 1,311,932.55
  4. Step 4: Simplify right side
    4,906,259.02x = 9,655,020,707,237.68
  5. Step 5: Solve for x
    x = 9,655,020,707,237.68/4,906,259.02
  6. Step 6: Final answer
    x = 1,967,898.69

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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.