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Finding the Fourth Proportional to 449,244.76, 619,960.80 and 245,297.11

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Solution

The fourth proportional to 449,244.76, 619,960.80 and 245,297.11 is: 338,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,244.76 : 619,960.80 = 245,297.11 : x
  2. Step 2: Convert to fraction form
    449,244.76/619,960.80 = 245,297.11/x
  3. Step 3: Cross multiply
    449,244.76x = 619,960.80 × 245,297.11
  4. Step 4: Simplify right side
    449,244.76x = 152,074,592,553.29
  5. Step 5: Solve for x
    x = 152,074,592,553.29/449,244.76
  6. Step 6: Final answer
    x = 338,511.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.