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Finding the Fourth Proportional to 447,057.80, 670,167.39 and 162,677.40

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Solution

The fourth proportional to 447,057.80, 670,167.39 and 162,677.40 is: 243,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,057.80 : 670,167.39 = 162,677.40 : x
  2. Step 2: Convert to fraction form
    447,057.80/670,167.39 = 162,677.40/x
  3. Step 3: Cross multiply
    447,057.80x = 670,167.39 × 162,677.40
  4. Step 4: Simplify right side
    447,057.80x = 109,021,088,569.99
  5. Step 5: Solve for x
    x = 109,021,088,569.99/447,057.80
  6. Step 6: Final answer
    x = 243,863.52

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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.