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Finding the Fourth Proportional to 446,665.50, 616,495.62 and 274,731.30

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Solution

The fourth proportional to 446,665.50, 616,495.62 and 274,731.30 is: 379,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,665.50 : 616,495.62 = 274,731.30 : x
  2. Step 2: Convert to fraction form
    446,665.50/616,495.62 = 274,731.30/x
  3. Step 3: Cross multiply
    446,665.50x = 616,495.62 × 274,731.30
  4. Step 4: Simplify right side
    446,665.50x = 169,370,643,126.91
  5. Step 5: Solve for x
    x = 169,370,643,126.91/446,665.50
  6. Step 6: Final answer
    x = 379,189.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.