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Finding the Fourth Proportional to 504,529.75, 696,256.50 and 275,085.17

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Solution

The fourth proportional to 504,529.75, 696,256.50 and 275,085.17 is: 379,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,529.75 : 696,256.50 = 275,085.17 : x
  2. Step 2: Convert to fraction form
    504,529.75/696,256.50 = 275,085.17/x
  3. Step 3: Cross multiply
    504,529.75x = 696,256.50 × 275,085.17
  4. Step 4: Simplify right side
    504,529.75x = 191,529,837,666.11
  5. Step 5: Solve for x
    x = 191,529,837,666.11/504,529.75
  6. Step 6: Final answer
    x = 379,620.50

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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.