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Finding the Fourth Proportional to 447,363.14, 670,837.35 and 166,805.06

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Solution

The fourth proportional to 447,363.14, 670,837.35 and 166,805.06 is: 250,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,363.14 : 670,837.35 = 166,805.06 : x
  2. Step 2: Convert to fraction form
    447,363.14/670,837.35 = 166,805.06/x
  3. Step 3: Cross multiply
    447,363.14x = 670,837.35 × 166,805.06
  4. Step 4: Simplify right side
    447,363.14x = 111,899,064,416.99
  5. Step 5: Solve for x
    x = 111,899,064,416.99/447,363.14
  6. Step 6: Final answer
    x = 250,130.27

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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.