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Finding the Fourth Proportional to 373,223.34, 515,048.22 and 203,457.60

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Solution

The fourth proportional to 373,223.34, 515,048.22 and 203,457.60 is: 280,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,223.34 : 515,048.22 = 203,457.60 : x
  2. Step 2: Convert to fraction form
    373,223.34/515,048.22 = 203,457.60/x
  3. Step 3: Cross multiply
    373,223.34x = 515,048.22 × 203,457.60
  4. Step 4: Simplify right side
    373,223.34x = 104,790,474,725.47
  5. Step 5: Solve for x
    x = 104,790,474,725.47/373,223.34
  6. Step 6: Final answer
    x = 280,771.49

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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.