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Finding the Fourth Proportional to 535,535.52, 739,046.56 and 293,813.70

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Solution

The fourth proportional to 535,535.52, 739,046.56 and 293,813.70 is: 405,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,535.52 : 739,046.56 = 293,813.70 : x
  2. Step 2: Convert to fraction form
    535,535.52/739,046.56 = 293,813.70/x
  3. Step 3: Cross multiply
    535,535.52x = 739,046.56 × 293,813.70
  4. Step 4: Simplify right side
    535,535.52x = 217,142,004,265.87
  5. Step 5: Solve for x
    x = 217,142,004,265.87/535,535.52
  6. Step 6: Final answer
    x = 405,467.04

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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.