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Finding the Fourth Proportional to 529,096.43, 730,158.44 and 287,383.73

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Solution

The fourth proportional to 529,096.43, 730,158.44 and 287,383.73 is: 396,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,096.43 : 730,158.44 = 287,383.73 : x
  2. Step 2: Convert to fraction form
    529,096.43/730,158.44 = 287,383.73/x
  3. Step 3: Cross multiply
    529,096.43x = 730,158.44 × 287,383.73
  4. Step 4: Simplify right side
    529,096.43x = 209,835,650,890.47
  5. Step 5: Solve for x
    x = 209,835,650,890.47/529,096.43
  6. Step 6: Final answer
    x = 396,592.45

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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.