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Finding the Fourth Proportional to 504,618.17, 696,389.89 and 275,188.01

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Solution

The fourth proportional to 504,618.17, 696,389.89 and 275,188.01 is: 379,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,618.17 : 696,389.89 = 275,188.01 : x
  2. Step 2: Convert to fraction form
    504,618.17/696,389.89 = 275,188.01/x
  3. Step 3: Cross multiply
    504,618.17x = 696,389.89 × 275,188.01
  4. Step 4: Simplify right side
    504,618.17x = 191,638,148,013.22
  5. Step 5: Solve for x
    x = 191,638,148,013.22/504,618.17
  6. Step 6: Final answer
    x = 379,768.62

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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.