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Finding the Fourth Proportional to 446,881.77, 616,660.11 and 263,091.15

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Solution

The fourth proportional to 446,881.77, 616,660.11 and 263,091.15 is: 363,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,881.77 : 616,660.11 = 263,091.15 : x
  2. Step 2: Convert to fraction form
    446,881.77/616,660.11 = 263,091.15/x
  3. Step 3: Cross multiply
    446,881.77x = 616,660.11 × 263,091.15
  4. Step 4: Simplify right side
    446,881.77x = 162,237,817,499.03
  5. Step 5: Solve for x
    x = 162,237,817,499.03/446,881.77
  6. Step 6: Final answer
    x = 363,044.16

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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.