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Finding the Fourth Proportional to 300,360.48, 414,480.58 and 164,394.14

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Solution

The fourth proportional to 300,360.48, 414,480.58 and 164,394.14 is: 226,854.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,360.48 : 414,480.58 = 164,394.14 : x
  2. Step 2: Convert to fraction form
    300,360.48/414,480.58 = 164,394.14/x
  3. Step 3: Cross multiply
    300,360.48x = 414,480.58 × 164,394.14
  4. Step 4: Simplify right side
    300,360.48x = 68,138,178,495.80
  5. Step 5: Solve for x
    x = 68,138,178,495.80/300,360.48
  6. Step 6: Final answer
    x = 226,854.67

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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.