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Finding the Fourth Proportional to 518,292.33, 777,477.86 and 176,629.58

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Solution

The fourth proportional to 518,292.33, 777,477.86 and 176,629.58 is: 264,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,292.33 : 777,477.86 = 176,629.58 : x
  2. Step 2: Convert to fraction form
    518,292.33/777,477.86 = 176,629.58/x
  3. Step 3: Cross multiply
    518,292.33x = 777,477.86 × 176,629.58
  4. Step 4: Simplify right side
    518,292.33x = 137,325,584,425.28
  5. Step 5: Solve for x
    x = 137,325,584,425.28/518,292.33
  6. Step 6: Final answer
    x = 264,957.78

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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.