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Finding the Fourth Proportional to 353,756.77, 488,193.09 and 192,620.63

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Solution

The fourth proportional to 353,756.77, 488,193.09 and 192,620.63 is: 265,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,756.77 : 488,193.09 = 192,620.63 : x
  2. Step 2: Convert to fraction form
    353,756.77/488,193.09 = 192,620.63/x
  3. Step 3: Cross multiply
    353,756.77x = 488,193.09 × 192,620.63
  4. Step 4: Simplify right side
    353,756.77x = 94,036,061,055.60
  5. Step 5: Solve for x
    x = 94,036,061,055.60/353,756.77
  6. Step 6: Final answer
    x = 265,821.24

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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.