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Finding the Fourth Proportional to 353,646.09, 488,037.83 and 192,505.77

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Solution

The fourth proportional to 353,646.09, 488,037.83 and 192,505.77 is: 265,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,646.09 : 488,037.83 = 192,505.77 : x
  2. Step 2: Convert to fraction form
    353,646.09/488,037.83 = 192,505.77/x
  3. Step 3: Cross multiply
    353,646.09x = 488,037.83 × 192,505.77
  4. Step 4: Simplify right side
    353,646.09x = 93,950,097,290.75
  5. Step 5: Solve for x
    x = 93,950,097,290.75/353,646.09
  6. Step 6: Final answer
    x = 265,661.35

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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.