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Finding the Fourth Proportional to 252,830.70, 379,246.05 and 134,732.70

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Solution

The fourth proportional to 252,830.70, 379,246.05 and 134,732.70 is: 202,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,830.70 : 379,246.05 = 134,732.70 : x
  2. Step 2: Convert to fraction form
    252,830.70/379,246.05 = 134,732.70/x
  3. Step 3: Cross multiply
    252,830.70x = 379,246.05 × 134,732.70
  4. Step 4: Simplify right side
    252,830.70x = 51,096,844,280.84
  5. Step 5: Solve for x
    x = 51,096,844,280.84/252,830.70
  6. Step 6: Final answer
    x = 202,099.05

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1.5x scale

Why These Related Problems?

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