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Finding the Fourth Proportional to 344,855.50, 476,119.20 and 236,141.74

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Solution

The fourth proportional to 344,855.50, 476,119.20 and 236,141.74 is: 326,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,855.50 : 476,119.20 = 236,141.74 : x
  2. Step 2: Convert to fraction form
    344,855.50/476,119.20 = 236,141.74/x
  3. Step 3: Cross multiply
    344,855.50x = 476,119.20 × 236,141.74
  4. Step 4: Simplify right side
    344,855.50x = 112,431,616,335.41
  5. Step 5: Solve for x
    x = 112,431,616,335.41/344,855.50
  6. Step 6: Final answer
    x = 326,025.30

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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.