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Finding the Fourth Proportional to 612,275, 844,949.60 and 336,644.52

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Solution

The fourth proportional to 612,275, 844,949.60 and 336,644.52 is: 464,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,275 : 844,949.60 = 336,644.52 : x
  2. Step 2: Convert to fraction form
    612,275/844,949.60 = 336,644.52/x
  3. Step 3: Cross multiply
    612,275x = 844,949.60 × 336,644.52
  4. Step 4: Simplify right side
    612,275x = 284,447,652,516.19
  5. Step 5: Solve for x
    x = 284,447,652,516.19/612,275
  6. Step 6: Final answer
    x = 464,574.99

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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.