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Finding the Fourth Proportional to 440,001, 607,201.38 and 238,797

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Solution

The fourth proportional to 440,001, 607,201.38 and 238,797 is: 329,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,001 : 607,201.38 = 238,797 : x
  2. Step 2: Convert to fraction form
    440,001/607,201.38 = 238,797/x
  3. Step 3: Cross multiply
    440,001x = 607,201.38 × 238,797
  4. Step 4: Simplify right side
    440,001x = 144,997,867,939.86
  5. Step 5: Solve for x
    x = 144,997,867,939.86/440,001
  6. Step 6: Final answer
    x = 329,539.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.