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Finding the Fourth Proportional to 556,626.41, 768,145.93 and 301,977.59

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Solution

The fourth proportional to 556,626.41, 768,145.93 and 301,977.59 is: 416,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,626.41 : 768,145.93 = 301,977.59 : x
  2. Step 2: Convert to fraction form
    556,626.41/768,145.93 = 301,977.59/x
  3. Step 3: Cross multiply
    556,626.41x = 768,145.93 × 301,977.59
  4. Step 4: Simplify right side
    556,626.41x = 231,962,856,709.71
  5. Step 5: Solve for x
    x = 231,962,856,709.71/556,626.41
  6. Step 6: Final answer
    x = 416,729.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.