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Finding the Fourth Proportional to 507,366.88, 700,171.44 and 306,124

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Solution

The fourth proportional to 507,366.88, 700,171.44 and 306,124 is: 422,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,366.88 : 700,171.44 = 306,124 : x
  2. Step 2: Convert to fraction form
    507,366.88/700,171.44 = 306,124/x
  3. Step 3: Cross multiply
    507,366.88x = 700,171.44 × 306,124
  4. Step 4: Simplify right side
    507,366.88x = 214,339,281,898.56
  5. Step 5: Solve for x
    x = 214,339,281,898.56/507,366.88
  6. Step 6: Final answer
    x = 422,454.22

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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.