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Finding the Fourth Proportional to 346,290.50, 519,455.46 and 96,991.94

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Solution

The fourth proportional to 346,290.50, 519,455.46 and 96,991.94 is: 145,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,290.50 : 519,455.46 = 96,991.94 : x
  2. Step 2: Convert to fraction form
    346,290.50/519,455.46 = 96,991.94/x
  3. Step 3: Cross multiply
    346,290.50x = 519,455.46 × 96,991.94
  4. Step 4: Simplify right side
    346,290.50x = 50,382,992,808.99
  5. Step 5: Solve for x
    x = 50,382,992,808.99/346,290.50
  6. Step 6: Final answer
    x = 145,493.43

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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.