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Finding the Fourth Proportional to 300,404.48, 414,554.40 and 164,437.88

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Solution

The fourth proportional to 300,404.48, 414,554.40 and 164,437.88 is: 226,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,404.48 : 414,554.40 = 164,437.88 : x
  2. Step 2: Convert to fraction form
    300,404.48/414,554.40 = 164,437.88/x
  3. Step 3: Cross multiply
    300,404.48x = 414,554.40 × 164,437.88
  4. Step 4: Simplify right side
    300,404.48x = 68,168,446,680.67
  5. Step 5: Solve for x
    x = 68,168,446,680.67/300,404.48
  6. Step 6: Final answer
    x = 226,922.20

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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.