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Finding the Fourth Proportional to 529,144.31, 730,227.00 and 299,695.89

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Solution

The fourth proportional to 529,144.31, 730,227.00 and 299,695.89 is: 413,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,144.31 : 730,227.00 = 299,695.89 : x
  2. Step 2: Convert to fraction form
    529,144.31/730,227.00 = 299,695.89/x
  3. Step 3: Cross multiply
    529,144.31x = 730,227.00 × 299,695.89
  4. Step 4: Simplify right side
    529,144.31x = 218,846,027,709.04
  5. Step 5: Solve for x
    x = 218,846,027,709.04/529,144.31
  6. Step 6: Final answer
    x = 413,584.77

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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.