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Finding the Fourth Proportional to 300,352.59, 414,469.71 and 164,386.26

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Solution

The fourth proportional to 300,352.59, 414,469.71 and 164,386.26 is: 226,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,352.59 : 414,469.71 = 164,386.26 : x
  2. Step 2: Convert to fraction form
    300,352.59/414,469.71 = 164,386.26/x
  3. Step 3: Cross multiply
    300,352.59x = 414,469.71 × 164,386.26
  4. Step 4: Simplify right side
    300,352.59x = 68,133,125,510.18
  5. Step 5: Solve for x
    x = 68,133,125,510.18/300,352.59
  6. Step 6: Final answer
    x = 226,843.81

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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.