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Finding the Fourth Proportional to 612,392.54, 845,104.98 and 336,768.16

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Solution

The fourth proportional to 612,392.54, 845,104.98 and 336,768.16 is: 464,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,392.54 : 845,104.98 = 336,768.16 : x
  2. Step 2: Convert to fraction form
    612,392.54/845,104.98 = 336,768.16/x
  3. Step 3: Cross multiply
    612,392.54x = 845,104.98 × 336,768.16
  4. Step 4: Simplify right side
    612,392.54x = 284,604,449,121.44
  5. Step 5: Solve for x
    x = 284,604,449,121.44/612,392.54
  6. Step 6: Final answer
    x = 464,741.86

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1.5x scale

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.