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Finding the Fourth Proportional to 283,416.44, 391,085.75 and 174,503.48

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Solution

The fourth proportional to 283,416.44, 391,085.75 and 174,503.48 is: 240,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,416.44 : 391,085.75 = 174,503.48 : x
  2. Step 2: Convert to fraction form
    283,416.44/391,085.75 = 174,503.48/x
  3. Step 3: Cross multiply
    283,416.44x = 391,085.75 × 174,503.48
  4. Step 4: Simplify right side
    283,416.44x = 68,245,823,480.89
  5. Step 5: Solve for x
    x = 68,245,823,480.89/283,416.44
  6. Step 6: Final answer
    x = 240,796.98

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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.