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Finding the Fourth Proportional to 651,959.06, 899,758.77 and 361,664.16

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Solution

The fourth proportional to 651,959.06, 899,758.77 and 361,664.16 is: 499,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,959.06 : 899,758.77 = 361,664.16 : x
  2. Step 2: Convert to fraction form
    651,959.06/899,758.77 = 361,664.16/x
  3. Step 3: Cross multiply
    651,959.06x = 899,758.77 × 361,664.16
  4. Step 4: Simplify right side
    651,959.06x = 325,410,493,447.57
  5. Step 5: Solve for x
    x = 325,410,493,447.57/651,959.06
  6. Step 6: Final answer
    x = 499,127.19

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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.