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Finding the Fourth Proportional to 300,045.70, 414,063.04 and 164,079.73

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Solution

The fourth proportional to 300,045.70, 414,063.04 and 164,079.73 is: 226,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,045.70 : 414,063.04 = 164,079.73 : x
  2. Step 2: Convert to fraction form
    300,045.70/414,063.04 = 164,079.73/x
  3. Step 3: Cross multiply
    300,045.70x = 414,063.04 × 164,079.73
  4. Step 4: Simplify right side
    300,045.70x = 67,939,351,806.18
  5. Step 5: Solve for x
    x = 67,939,351,806.18/300,045.70
  6. Step 6: Final answer
    x = 226,430.01

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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.