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Finding the Fourth Proportional to 451,995.01, 673,999.09 and 447,938.12

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Solution

The fourth proportional to 451,995.01, 673,999.09 and 447,938.12 is: 667,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,995.01 : 673,999.09 = 447,938.12 : x
  2. Step 2: Convert to fraction form
    451,995.01/673,999.09 = 447,938.12/x
  3. Step 3: Cross multiply
    451,995.01x = 673,999.09 × 447,938.12
  4. Step 4: Simplify right side
    451,995.01x = 301,909,885,821.46
  5. Step 5: Solve for x
    x = 301,909,885,821.46/451,995.01
  6. Step 6: Final answer
    x = 667,949.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.