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Finding the Fourth Proportional to 612,166.20, 844,546.44 and 353,995.44

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Solution

The fourth proportional to 612,166.20, 844,546.44 and 353,995.44 is: 488,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,166.20 : 844,546.44 = 353,995.44 : x
  2. Step 2: Convert to fraction form
    612,166.20/844,546.44 = 353,995.44/x
  3. Step 3: Cross multiply
    612,166.20x = 844,546.44 × 353,995.44
  4. Step 4: Simplify right side
    612,166.20x = 298,965,588,628.23
  5. Step 5: Solve for x
    x = 298,965,588,628.23/612,166.20
  6. Step 6: Final answer
    x = 488,373.24

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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.