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Finding the Fourth Proportional to 536,617.16, 740,535.20 and 294,919.64

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Solution

The fourth proportional to 536,617.16, 740,535.20 and 294,919.64 is: 406,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,617.16 : 740,535.20 = 294,919.64 : x
  2. Step 2: Convert to fraction form
    536,617.16/740,535.20 = 294,919.64/x
  3. Step 3: Cross multiply
    536,617.16x = 740,535.20 × 294,919.64
  4. Step 4: Simplify right side
    536,617.16x = 218,398,374,591.33
  5. Step 5: Solve for x
    x = 218,398,374,591.33/536,617.16
  6. Step 6: Final answer
    x = 406,991.04

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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.