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Finding the Fourth Proportional to 626,548.59, 864,613.89 and 340,062.53

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Solution

The fourth proportional to 626,548.59, 864,613.89 and 340,062.53 is: 469,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,548.59 : 864,613.89 = 340,062.53 : x
  2. Step 2: Convert to fraction form
    626,548.59/864,613.89 = 340,062.53/x
  3. Step 3: Cross multiply
    626,548.59x = 864,613.89 × 340,062.53
  4. Step 4: Simplify right side
    626,548.59x = 294,022,782,583.47
  5. Step 5: Solve for x
    x = 294,022,782,583.47/626,548.59
  6. Step 6: Final answer
    x = 469,273.71

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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.