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Finding the Fourth Proportional to 504,981.57, 696,874.25 and 323,693.38

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Solution

The fourth proportional to 504,981.57, 696,874.25 and 323,693.38 is: 446,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,981.57 : 696,874.25 = 323,693.38 : x
  2. Step 2: Convert to fraction form
    504,981.57/696,874.25 = 323,693.38/x
  3. Step 3: Cross multiply
    504,981.57x = 696,874.25 × 323,693.38
  4. Step 4: Simplify right side
    504,981.57x = 225,573,583,097.79
  5. Step 5: Solve for x
    x = 225,573,583,097.79/504,981.57
  6. Step 6: Final answer
    x = 446,696.66

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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.