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Finding the Fourth Proportional to 330,050, 455,477.16 and 179,146.64

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Solution

The fourth proportional to 330,050, 455,477.16 and 179,146.64 is: 247,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,050 : 455,477.16 = 179,146.64 : x
  2. Step 2: Convert to fraction form
    330,050/455,477.16 = 179,146.64/x
  3. Step 3: Cross multiply
    330,050x = 455,477.16 × 179,146.64
  4. Step 4: Simplify right side
    330,050x = 81,597,202,810.74
  5. Step 5: Solve for x
    x = 81,597,202,810.74/330,050
  6. Step 6: Final answer
    x = 247,226.79

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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.