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Finding the Fourth Proportional to 626,572.91, 864,647.44 and 340,086.85

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Solution

The fourth proportional to 626,572.91, 864,647.44 and 340,086.85 is: 469,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,572.91 : 864,647.44 = 340,086.85 : x
  2. Step 2: Convert to fraction form
    626,572.91/864,647.44 = 340,086.85/x
  3. Step 3: Cross multiply
    626,572.91x = 864,647.44 × 340,086.85
  4. Step 4: Simplify right side
    626,572.91x = 294,055,221,218.33
  5. Step 5: Solve for x
    x = 294,055,221,218.33/626,572.91
  6. Step 6: Final answer
    x = 469,307.27

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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.