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Finding the Fourth Proportional to 507,575.63, 700,454.27 and 303,635.15

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Solution

The fourth proportional to 507,575.63, 700,454.27 and 303,635.15 is: 419,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,575.63 : 700,454.27 = 303,635.15 : x
  2. Step 2: Convert to fraction form
    507,575.63/700,454.27 = 303,635.15/x
  3. Step 3: Cross multiply
    507,575.63x = 700,454.27 × 303,635.15
  4. Step 4: Simplify right side
    507,575.63x = 212,682,532,319.14
  5. Step 5: Solve for x
    x = 212,682,532,319.14/507,575.63
  6. Step 6: Final answer
    x = 419,016.44

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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.