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Finding the Fourth Proportional to 4,532,978.68, 6,796,981.14 and 1,797,756.28

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Solution

The fourth proportional to 4,532,978.68, 6,796,981.14 and 1,797,756.28 is: 2,695,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,532,978.68 : 6,796,981.14 = 1,797,756.28 : x
  2. Step 2: Convert to fraction form
    4,532,978.68/6,796,981.14 = 1,797,756.28/x
  3. Step 3: Cross multiply
    4,532,978.68x = 6,796,981.14 × 1,797,756.28
  4. Step 4: Simplify right side
    4,532,978.68x = 12,219,315,529,476.56
  5. Step 5: Solve for x
    x = 12,219,315,529,476.56/4,532,978.68
  6. Step 6: Final answer
    x = 2,695,648.14

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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.