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Finding the Fourth Proportional to 300,308.41, 414,425.48 and 164,342.35

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Solution

The fourth proportional to 300,308.41, 414,425.48 and 164,342.35 is: 226,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,308.41 : 414,425.48 = 164,342.35 : x
  2. Step 2: Convert to fraction form
    300,308.41/414,425.48 = 164,342.35/x
  3. Step 3: Cross multiply
    300,308.41x = 414,425.48 × 164,342.35
  4. Step 4: Simplify right side
    300,308.41x = 68,107,655,210.95
  5. Step 5: Solve for x
    x = 68,107,655,210.95/300,308.41
  6. Step 6: Final answer
    x = 226,792.37

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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.