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Finding the Fourth Proportional to 237,907.80, 356,861.70 and 171,204.30

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Solution

The fourth proportional to 237,907.80, 356,861.70 and 171,204.30 is: 256,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,907.80 : 356,861.70 = 171,204.30 : x
  2. Step 2: Convert to fraction form
    237,907.80/356,861.70 = 171,204.30/x
  3. Step 3: Cross multiply
    237,907.80x = 356,861.70 × 171,204.30
  4. Step 4: Simplify right side
    237,907.80x = 61,096,257,545.31
  5. Step 5: Solve for x
    x = 61,096,257,545.31/237,907.80
  6. Step 6: Final answer
    x = 256,806.45

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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.