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Finding the Fourth Proportional to 379,836,273.70, 532,980,106.70 and 379,836,273.70

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Solution

The fourth proportional to 379,836,273.70, 532,980,106.70 and 379,836,273.70 is: 532,980,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,836,273.70 : 532,980,106.70 = 379,836,273.70 : x
  2. Step 2: Convert to fraction form
    379,836,273.70/532,980,106.70 = 379,836,273.70/x
  3. Step 3: Cross multiply
    379,836,273.70x = 532,980,106.70 × 379,836,273.70
  4. Step 4: Simplify right side
    379,836,273.70x = 202,445,177,685,156,384
  5. Step 5: Solve for x
    x = 202,445,177,685,156,384/379,836,273.70
  6. Step 6: Final answer
    x = 532,980,106.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.