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Finding the Fourth Proportional to 535,673.38, 739,240.41 and 293,941.84

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Solution

The fourth proportional to 535,673.38, 739,240.41 and 293,941.84 is: 405,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,673.38 : 739,240.41 = 293,941.84 : x
  2. Step 2: Convert to fraction form
    535,673.38/739,240.41 = 293,941.84/x
  3. Step 3: Cross multiply
    535,673.38x = 739,240.41 × 293,941.84
  4. Step 4: Simplify right side
    535,673.38x = 217,293,686,317.75
  5. Step 5: Solve for x
    x = 217,293,686,317.75/535,673.38
  6. Step 6: Final answer
    x = 405,645.86

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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.