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Finding the Fourth Proportional to 447,062.30, 669,127.44 and 244,347.90

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Solution

The fourth proportional to 447,062.30, 669,127.44 and 244,347.90 is: 365,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,062.30 : 669,127.44 = 244,347.90 : x
  2. Step 2: Convert to fraction form
    447,062.30/669,127.44 = 244,347.90/x
  3. Step 3: Cross multiply
    447,062.30x = 669,127.44 × 244,347.90
  4. Step 4: Simplify right side
    447,062.30x = 163,499,884,796.38
  5. Step 5: Solve for x
    x = 163,499,884,796.38/447,062.30
  6. Step 6: Final answer
    x = 365,720.58

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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.