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Finding the Fourth Proportional to 536,004.32, 739,687.39 and 294,302.54

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Solution

The fourth proportional to 536,004.32, 739,687.39 and 294,302.54 is: 406,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,004.32 : 739,687.39 = 294,302.54 : x
  2. Step 2: Convert to fraction form
    536,004.32/739,687.39 = 294,302.54/x
  3. Step 3: Cross multiply
    536,004.32x = 739,687.39 × 294,302.54
  4. Step 4: Simplify right side
    536,004.32x = 217,691,878,796.43
  5. Step 5: Solve for x
    x = 217,691,878,796.43/536,004.32
  6. Step 6: Final answer
    x = 406,138.30

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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.