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Finding the Fourth Proportional to 587,246.43, 810,361.68 and 345,482.25

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Solution

The fourth proportional to 587,246.43, 810,361.68 and 345,482.25 is: 476,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,246.43 : 810,361.68 = 345,482.25 : x
  2. Step 2: Convert to fraction form
    587,246.43/810,361.68 = 345,482.25/x
  3. Step 3: Cross multiply
    587,246.43x = 810,361.68 × 345,482.25
  4. Step 4: Simplify right side
    587,246.43x = 279,965,576,520.18
  5. Step 5: Solve for x
    x = 279,965,576,520.18/587,246.43
  6. Step 6: Final answer
    x = 476,742.92

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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.