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Finding the Fourth Proportional to 504,372.42, 696,024.89 and 274,931.67

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Solution

The fourth proportional to 504,372.42, 696,024.89 and 274,931.67 is: 379,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,372.42 : 696,024.89 = 274,931.67 : x
  2. Step 2: Convert to fraction form
    504,372.42/696,024.89 = 274,931.67/x
  3. Step 3: Cross multiply
    504,372.42x = 696,024.89 × 274,931.67
  4. Step 4: Simplify right side
    504,372.42x = 191,359,288,010.10
  5. Step 5: Solve for x
    x = 191,359,288,010.10/504,372.42
  6. Step 6: Final answer
    x = 379,400.77

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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.