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Finding the Fourth Proportional to 531,084.38, 796,994.51 and 211,203.50

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Solution

The fourth proportional to 531,084.38, 796,994.51 and 211,203.50 is: 316,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,084.38 : 796,994.51 = 211,203.50 : x
  2. Step 2: Convert to fraction form
    531,084.38/796,994.51 = 211,203.50/x
  3. Step 3: Cross multiply
    531,084.38x = 796,994.51 × 211,203.50
  4. Step 4: Simplify right side
    531,084.38x = 168,328,024,951.80
  5. Step 5: Solve for x
    x = 168,328,024,951.80/531,084.38
  6. Step 6: Final answer
    x = 316,951.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.