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Finding the Fourth Proportional to 344,348.36, 475,212.92 and 191,389.60

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Solution

The fourth proportional to 344,348.36, 475,212.92 and 191,389.60 is: 264,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,348.36 : 475,212.92 = 191,389.60 : x
  2. Step 2: Convert to fraction form
    344,348.36/475,212.92 = 191,389.60/x
  3. Step 3: Cross multiply
    344,348.36x = 475,212.92 × 191,389.60
  4. Step 4: Simplify right side
    344,348.36x = 90,950,810,673.63
  5. Step 5: Solve for x
    x = 90,950,810,673.63/344,348.36
  6. Step 6: Final answer
    x = 264,124.42

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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.