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Finding the Fourth Proportional to 941,616, 1,413,046.08 and 443,018.88

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Solution

The fourth proportional to 941,616, 1,413,046.08 and 443,018.88 is: 664,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,616 : 1,413,046.08 = 443,018.88 : x
  2. Step 2: Convert to fraction form
    941,616/1,413,046.08 = 443,018.88/x
  3. Step 3: Cross multiply
    941,616x = 1,413,046.08 × 443,018.88
  4. Step 4: Simplify right side
    941,616x = 626,006,091,749.99
  5. Step 5: Solve for x
    x = 626,006,091,749.99/941,616
  6. Step 6: Final answer
    x = 664,821.00

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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.