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Finding the Fourth Proportional to 508,899.55, 702,231.67 and 294,035.00

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Solution

The fourth proportional to 508,899.55, 702,231.67 and 294,035.00 is: 405,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,899.55 : 702,231.67 = 294,035.00 : x
  2. Step 2: Convert to fraction form
    508,899.55/702,231.67 = 294,035.00/x
  3. Step 3: Cross multiply
    508,899.55x = 702,231.67 × 294,035.00
  4. Step 4: Simplify right side
    508,899.55x = 206,480,690,108.94
  5. Step 5: Solve for x
    x = 206,480,690,108.94/508,899.55
  6. Step 6: Final answer
    x = 405,739.58

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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.