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Finding the Fourth Proportional to 436,625.66, 602,494.65 and 245,634.95

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Solution

The fourth proportional to 436,625.66, 602,494.65 and 245,634.95 is: 338,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,625.66 : 602,494.65 = 245,634.95 : x
  2. Step 2: Convert to fraction form
    436,625.66/602,494.65 = 245,634.95/x
  3. Step 3: Cross multiply
    436,625.66x = 602,494.65 × 245,634.95
  4. Step 4: Simplify right side
    436,625.66x = 147,993,740,215.54
  5. Step 5: Solve for x
    x = 147,993,740,215.54/436,625.66
  6. Step 6: Final answer
    x = 338,948.80

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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.