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Finding the Fourth Proportional to 301,032, 451,578.24 and 79,416

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Solution

The fourth proportional to 301,032, 451,578.24 and 79,416 is: 119,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,032 : 451,578.24 = 79,416 : x
  2. Step 2: Convert to fraction form
    301,032/451,578.24 = 79,416/x
  3. Step 3: Cross multiply
    301,032x = 451,578.24 × 79,416
  4. Step 4: Simplify right side
    301,032x = 35,862,537,507.84
  5. Step 5: Solve for x
    x = 35,862,537,507.84/301,032
  6. Step 6: Final answer
    x = 119,131.98

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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.