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Finding the Fourth Proportional to 446,922.56, 616,753.14 and 245,718.56

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Solution

The fourth proportional to 446,922.56, 616,753.14 and 245,718.56 is: 339,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,922.56 : 616,753.14 = 245,718.56 : x
  2. Step 2: Convert to fraction form
    446,922.56/616,753.14 = 245,718.56/x
  3. Step 3: Cross multiply
    446,922.56x = 616,753.14 × 245,718.56
  4. Step 4: Simplify right side
    446,922.56x = 151,547,694,056.72
  5. Step 5: Solve for x
    x = 151,547,694,056.72/446,922.56
  6. Step 6: Final answer
    x = 339,091.62

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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.