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Finding the Fourth Proportional to 504,541.88, 696,389.10 and 303,299

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Solution

The fourth proportional to 504,541.88, 696,389.10 and 303,299 is: 418,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,541.88 : 696,389.10 = 303,299 : x
  2. Step 2: Convert to fraction form
    504,541.88/696,389.10 = 303,299/x
  3. Step 3: Cross multiply
    504,541.88x = 696,389.10 × 303,299
  4. Step 4: Simplify right side
    504,541.88x = 211,214,117,640.90
  5. Step 5: Solve for x
    x = 211,214,117,640.90/504,541.88
  6. Step 6: Final answer
    x = 418,625.54

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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.