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Finding the Fourth Proportional to 293,096.40, 438,769.80 and 275,794.80

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Solution

The fourth proportional to 293,096.40, 438,769.80 and 275,794.80 is: 412,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,096.40 : 438,769.80 = 275,794.80 : x
  2. Step 2: Convert to fraction form
    293,096.40/438,769.80 = 275,794.80/x
  3. Step 3: Cross multiply
    293,096.40x = 438,769.80 × 275,794.80
  4. Step 4: Simplify right side
    293,096.40x = 121,010,429,237.04
  5. Step 5: Solve for x
    x = 121,010,429,237.04/293,096.40
  6. Step 6: Final answer
    x = 412,869.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.