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Finding the Fourth Proportional to 462,936, 638,855.52 and 250,968

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Solution

The fourth proportional to 462,936, 638,855.52 and 250,968 is: 346,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,936 : 638,855.52 = 250,968 : x
  2. Step 2: Convert to fraction form
    462,936/638,855.52 = 250,968/x
  3. Step 3: Cross multiply
    462,936x = 638,855.52 × 250,968
  4. Step 4: Simplify right side
    462,936x = 160,332,292,143.36
  5. Step 5: Solve for x
    x = 160,332,292,143.36/462,936
  6. Step 6: Final answer
    x = 346,337.92

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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.