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Finding the Fourth Proportional to 341,416.50, 512,227.26 and 161,638.98

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Solution

The fourth proportional to 341,416.50, 512,227.26 and 161,638.98 is: 242,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,416.50 : 512,227.26 = 161,638.98 : x
  2. Step 2: Convert to fraction form
    341,416.50/512,227.26 = 161,638.98/x
  3. Step 3: Cross multiply
    341,416.50x = 512,227.26 × 161,638.98
  4. Step 4: Simplify right side
    341,416.50x = 82,795,891,834.59
  5. Step 5: Solve for x
    x = 82,795,891,834.59/341,416.50
  6. Step 6: Final answer
    x = 242,507.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.