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Finding the Fourth Proportional to 346,294, 477,893.19 and 191,244.80

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Solution

The fourth proportional to 346,294, 477,893.19 and 191,244.80 is: 263,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,294 : 477,893.19 = 191,244.80 : x
  2. Step 2: Convert to fraction form
    346,294/477,893.19 = 191,244.80/x
  3. Step 3: Cross multiply
    346,294x = 477,893.19 × 191,244.80
  4. Step 4: Simplify right side
    346,294x = 91,394,587,542.91
  5. Step 5: Solve for x
    x = 91,394,587,542.91/346,294
  6. Step 6: Final answer
    x = 263,921.95

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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.