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Finding the Fourth Proportional to 504,364.47, 696,002.02 and 274,916.71

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Solution

The fourth proportional to 504,364.47, 696,002.02 and 274,916.71 is: 379,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,364.47 : 696,002.02 = 274,916.71 : x
  2. Step 2: Convert to fraction form
    504,364.47/696,002.02 = 274,916.71/x
  3. Step 3: Cross multiply
    504,364.47x = 696,002.02 × 274,916.71
  4. Step 4: Simplify right side
    504,364.47x = 191,342,584,095.40
  5. Step 5: Solve for x
    x = 191,342,584,095.40/504,364.47
  6. Step 6: Final answer
    x = 379,373.64

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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.