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Finding the Fourth Proportional to 535,786.38, 739,361.52 and 294,069.42

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Solution

The fourth proportional to 535,786.38, 739,361.52 and 294,069.42 is: 405,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,786.38 : 739,361.52 = 294,069.42 : x
  2. Step 2: Convert to fraction form
    535,786.38/739,361.52 = 294,069.42/x
  3. Step 3: Cross multiply
    535,786.38x = 739,361.52 × 294,069.42
  4. Step 4: Simplify right side
    535,786.38x = 217,423,613,356.72
  5. Step 5: Solve for x
    x = 217,423,613,356.72/535,786.38
  6. Step 6: Final answer
    x = 405,802.80

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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.