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Finding the Fourth Proportional to 449,537.37, 620,373.75 and 268,354.45

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Solution

The fourth proportional to 449,537.37, 620,373.75 and 268,354.45 is: 370,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,537.37 : 620,373.75 = 268,354.45 : x
  2. Step 2: Convert to fraction form
    449,537.37/620,373.75 = 268,354.45/x
  3. Step 3: Cross multiply
    449,537.37x = 620,373.75 × 268,354.45
  4. Step 4: Simplify right side
    449,537.37x = 166,480,056,244.83
  5. Step 5: Solve for x
    x = 166,480,056,244.83/449,537.37
  6. Step 6: Final answer
    x = 370,336.41

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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.