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Finding the Fourth Proportional to 607,467, 838,304.49 and 339,195

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Solution

The fourth proportional to 607,467, 838,304.49 and 339,195 is: 468,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,467 : 838,304.49 = 339,195 : x
  2. Step 2: Convert to fraction form
    607,467/838,304.49 = 339,195/x
  3. Step 3: Cross multiply
    607,467x = 838,304.49 × 339,195
  4. Step 4: Simplify right side
    607,467x = 284,348,691,485.55
  5. Step 5: Solve for x
    x = 284,348,691,485.55/607,467
  6. Step 6: Final answer
    x = 468,089.12

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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.