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Finding the Fourth Proportional to 301,089.42, 451,710.06 and 212,515.92

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Solution

The fourth proportional to 301,089.42, 451,710.06 and 212,515.92 is: 318,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,089.42 : 451,710.06 = 212,515.92 : x
  2. Step 2: Convert to fraction form
    301,089.42/451,710.06 = 212,515.92/x
  3. Step 3: Cross multiply
    301,089.42x = 451,710.06 × 212,515.92
  4. Step 4: Simplify right side
    301,089.42x = 95,995,578,974.16
  5. Step 5: Solve for x
    x = 95,995,578,974.16/301,089.42
  6. Step 6: Final answer
    x = 318,827.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.