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Finding the Fourth Proportional to 529,573.38, 730,808.31 and 300,174.04

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Solution

The fourth proportional to 529,573.38, 730,808.31 and 300,174.04 is: 414,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,573.38 : 730,808.31 = 300,174.04 : x
  2. Step 2: Convert to fraction form
    529,573.38/730,808.31 = 300,174.04/x
  3. Step 3: Cross multiply
    529,573.38x = 730,808.31 × 300,174.04
  4. Step 4: Simplify right side
    529,573.38x = 219,369,682,878.27
  5. Step 5: Solve for x
    x = 219,369,682,878.27/529,573.38
  6. Step 6: Final answer
    x = 414,238.50

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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.