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Finding the Fourth Proportional to 373,372.31, 515,292.67 and 230,128.67

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Solution

The fourth proportional to 373,372.31, 515,292.67 and 230,128.67 is: 317,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,372.31 : 515,292.67 = 230,128.67 : x
  2. Step 2: Convert to fraction form
    373,372.31/515,292.67 = 230,128.67/x
  3. Step 3: Cross multiply
    373,372.31x = 515,292.67 × 230,128.67
  4. Step 4: Simplify right side
    373,372.31x = 118,583,618,383.74
  5. Step 5: Solve for x
    x = 118,583,618,383.74/373,372.31
  6. Step 6: Final answer
    x = 317,601.53

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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.