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Finding the Fourth Proportional to 854,668.67, 1,178,288.54 and 548,213.01

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Solution

The fourth proportional to 854,668.67, 1,178,288.54 and 548,213.01 is: 755,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,668.67 : 1,178,288.54 = 548,213.01 : x
  2. Step 2: Convert to fraction form
    854,668.67/1,178,288.54 = 548,213.01/x
  3. Step 3: Cross multiply
    854,668.67x = 1,178,288.54 × 548,213.01
  4. Step 4: Simplify right side
    854,668.67x = 645,953,111,769.63
  5. Step 5: Solve for x
    x = 645,953,111,769.63/854,668.67
  6. Step 6: Final answer
    x = 755,793.61

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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.