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Finding the Fourth Proportional to 299,461.40, 448,673.70 and 194,226.20

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Solution

The fourth proportional to 299,461.40, 448,673.70 and 194,226.20 is: 291,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,461.40 : 448,673.70 = 194,226.20 : x
  2. Step 2: Convert to fraction form
    299,461.40/448,673.70 = 194,226.20/x
  3. Step 3: Cross multiply
    299,461.40x = 448,673.70 × 194,226.20
  4. Step 4: Simplify right side
    299,461.40x = 87,144,187,790.94
  5. Step 5: Solve for x
    x = 87,144,187,790.94/299,461.40
  6. Step 6: Final answer
    x = 291,003.07

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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.