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Finding the Fourth Proportional to 605,143.00, 907,404.68 and 338,832.01

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Solution

The fourth proportional to 605,143.00, 907,404.68 and 338,832.01 is: 508,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,143.00 : 907,404.68 = 338,832.01 : x
  2. Step 2: Convert to fraction form
    605,143.00/907,404.68 = 338,832.01/x
  3. Step 3: Cross multiply
    605,143.00x = 907,404.68 × 338,832.01
  4. Step 4: Simplify right side
    605,143.00x = 307,457,751,683.21
  5. Step 5: Solve for x
    x = 307,457,751,683.21/605,143.00
  6. Step 6: Final answer
    x = 508,074.54

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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.