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Finding the Fourth Proportional to 508,622.92, 702,027.06 and 293,887.72

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Solution

The fourth proportional to 508,622.92, 702,027.06 and 293,887.72 is: 405,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,622.92 : 702,027.06 = 293,887.72 : x
  2. Step 2: Convert to fraction form
    508,622.92/702,027.06 = 293,887.72/x
  3. Step 3: Cross multiply
    508,622.92x = 702,027.06 × 293,887.72
  4. Step 4: Simplify right side
    508,622.92x = 206,317,132,041.70
  5. Step 5: Solve for x
    x = 206,317,132,041.70/508,622.92
  6. Step 6: Final answer
    x = 405,638.68

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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.