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Finding the Fourth Proportional to 625,598.34, 863,326.76 and 339,119.06

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Solution

The fourth proportional to 625,598.34, 863,326.76 and 339,119.06 is: 467,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,598.34 : 863,326.76 = 339,119.06 : x
  2. Step 2: Convert to fraction form
    625,598.34/863,326.76 = 339,119.06/x
  3. Step 3: Cross multiply
    625,598.34x = 863,326.76 × 339,119.06
  4. Step 4: Simplify right side
    625,598.34x = 292,770,553,311.82
  5. Step 5: Solve for x
    x = 292,770,553,311.82/625,598.34
  6. Step 6: Final answer
    x = 467,984.87

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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.