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Finding the Fourth Proportional to 626,546.09, 864,610.44 and 340,060.03

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Solution

The fourth proportional to 626,546.09, 864,610.44 and 340,060.03 is: 469,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,546.09 : 864,610.44 = 340,060.03 : x
  2. Step 2: Convert to fraction form
    626,546.09/864,610.44 = 340,060.03/x
  3. Step 3: Cross multiply
    626,546.09x = 864,610.44 × 340,060.03
  4. Step 4: Simplify right side
    626,546.09x = 294,019,452,164.71
  5. Step 5: Solve for x
    x = 294,019,452,164.71/626,546.09
  6. Step 6: Final answer
    x = 469,270.27

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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.