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Finding the Fourth Proportional to 346,295, 477,894.57 and 191,245.80

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Solution

The fourth proportional to 346,295, 477,894.57 and 191,245.80 is: 263,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,295 : 477,894.57 = 191,245.80 : x
  2. Step 2: Convert to fraction form
    346,295/477,894.57 = 191,245.80/x
  3. Step 3: Cross multiply
    346,295x = 477,894.57 × 191,245.80
  4. Step 4: Simplify right side
    346,295x = 91,395,329,355.31
  5. Step 5: Solve for x
    x = 91,395,329,355.31/346,295
  6. Step 6: Final answer
    x = 263,923.33

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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.