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Finding the Fourth Proportional to 300,814.89, 415,085.02 and 179,912.06

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Solution

The fourth proportional to 300,814.89, 415,085.02 and 179,912.06 is: 248,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,814.89 : 415,085.02 = 179,912.06 : x
  2. Step 2: Convert to fraction form
    300,814.89/415,085.02 = 179,912.06/x
  3. Step 3: Cross multiply
    300,814.89x = 415,085.02 × 179,912.06
  4. Step 4: Simplify right side
    300,814.89x = 74,678,801,023.34
  5. Step 5: Solve for x
    x = 74,678,801,023.34/300,814.89
  6. Step 6: Final answer
    x = 248,255.00

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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.