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Finding the Fourth Proportional to 300,485.98, 414,538.32 and 179,566.48

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Solution

The fourth proportional to 300,485.98, 414,538.32 and 179,566.48 is: 247,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,485.98 : 414,538.32 = 179,566.48 : x
  2. Step 2: Convert to fraction form
    300,485.98/414,538.32 = 179,566.48/x
  3. Step 3: Cross multiply
    300,485.98x = 414,538.32 × 179,566.48
  4. Step 4: Simplify right side
    300,485.98x = 74,437,186,947.51
  5. Step 5: Solve for x
    x = 74,437,186,947.51/300,485.98
  6. Step 6: Final answer
    x = 247,722.66

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1.5x scale

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.