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Finding the Fourth Proportional to 300,612.06, 414,840.48 and 164,645.94

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Solution

The fourth proportional to 300,612.06, 414,840.48 and 164,645.94 is: 227,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,612.06 : 414,840.48 = 164,645.94 : x
  2. Step 2: Convert to fraction form
    300,612.06/414,840.48 = 164,645.94/x
  3. Step 3: Cross multiply
    300,612.06x = 414,840.48 × 164,645.94
  4. Step 4: Simplify right side
    300,612.06x = 68,301,800,779.65
  5. Step 5: Solve for x
    x = 68,301,800,779.65/300,612.06
  6. Step 6: Final answer
    x = 227,209.12

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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.