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Finding the Fourth Proportional to 300,303.39, 414,415.08 and 164,336.88

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Solution

The fourth proportional to 300,303.39, 414,415.08 and 164,336.88 is: 226,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,303.39 : 414,415.08 = 164,336.88 : x
  2. Step 2: Convert to fraction form
    300,303.39/414,415.08 = 164,336.88/x
  3. Step 3: Cross multiply
    300,303.39x = 414,415.08 × 164,336.88
  4. Step 4: Simplify right side
    300,303.39x = 68,103,681,272.15
  5. Step 5: Solve for x
    x = 68,103,681,272.15/300,303.39
  6. Step 6: Final answer
    x = 226,782.93

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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.