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Finding the Fourth Proportional to 469,028.93, 704,484.77 and 279,858.39

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Solution

The fourth proportional to 469,028.93, 704,484.77 and 279,858.39 is: 420,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,028.93 : 704,484.77 = 279,858.39 : x
  2. Step 2: Convert to fraction form
    469,028.93/704,484.77 = 279,858.39/x
  3. Step 3: Cross multiply
    469,028.93x = 704,484.77 × 279,858.39
  4. Step 4: Simplify right side
    469,028.93x = 197,155,973,511.72
  5. Step 5: Solve for x
    x = 197,155,973,511.72/469,028.93
  6. Step 6: Final answer
    x = 420,349.28

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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.