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Finding the Fourth Proportional to 343,372.22, 473,859.40 and 190,416.84

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Solution

The fourth proportional to 343,372.22, 473,859.40 and 190,416.84 is: 262,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,372.22 : 473,859.40 = 190,416.84 : x
  2. Step 2: Convert to fraction form
    343,372.22/473,859.40 = 190,416.84/x
  3. Step 3: Cross multiply
    343,372.22x = 473,859.40 × 190,416.84
  4. Step 4: Simplify right side
    343,372.22x = 90,230,809,552.30
  5. Step 5: Solve for x
    x = 90,230,809,552.30/343,372.22
  6. Step 6: Final answer
    x = 262,778.42

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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.