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Finding the Fourth Proportional to 508,796.08, 702,194.44 and 291,025.20

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Solution

The fourth proportional to 508,796.08, 702,194.44 and 291,025.20 is: 401,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,796.08 : 702,194.44 = 291,025.20 : x
  2. Step 2: Convert to fraction form
    508,796.08/702,194.44 = 291,025.20/x
  3. Step 3: Cross multiply
    508,796.08x = 702,194.44 × 291,025.20
  4. Step 4: Simplify right side
    508,796.08x = 204,356,277,339.89
  5. Step 5: Solve for x
    x = 204,356,277,339.89/508,796.08
  6. Step 6: Final answer
    x = 401,646.72

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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.