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Finding the Fourth Proportional to 371,027.70, 556,541.55 and 277,715.70

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Solution

The fourth proportional to 371,027.70, 556,541.55 and 277,715.70 is: 416,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,027.70 : 556,541.55 = 277,715.70 : x
  2. Step 2: Convert to fraction form
    371,027.70/556,541.55 = 277,715.70/x
  3. Step 3: Cross multiply
    371,027.70x = 556,541.55 × 277,715.70
  4. Step 4: Simplify right side
    371,027.70x = 154,560,326,137.34
  5. Step 5: Solve for x
    x = 154,560,326,137.34/371,027.70
  6. Step 6: Final answer
    x = 416,573.55

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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.