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Finding the Fourth Proportional to 504,364.72, 696,002.37 and 274,916.96

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Solution

The fourth proportional to 504,364.72, 696,002.37 and 274,916.96 is: 379,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,364.72 : 696,002.37 = 274,916.96 : x
  2. Step 2: Convert to fraction form
    504,364.72/696,002.37 = 274,916.96/x
  3. Step 3: Cross multiply
    504,364.72x = 696,002.37 × 274,916.96
  4. Step 4: Simplify right side
    504,364.72x = 191,342,852,598.61
  5. Step 5: Solve for x
    x = 191,342,852,598.61/504,364.72
  6. Step 6: Final answer
    x = 379,373.98

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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.