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Finding the Fourth Proportional to 541,438.61, 747,182.43 and 296,445.60

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Solution

The fourth proportional to 541,438.61, 747,182.43 and 296,445.60 is: 409,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,438.61 : 747,182.43 = 296,445.60 : x
  2. Step 2: Convert to fraction form
    541,438.61/747,182.43 = 296,445.60/x
  3. Step 3: Cross multiply
    541,438.61x = 747,182.43 × 296,445.60
  4. Step 4: Simplify right side
    541,438.61x = 221,498,943,770.81
  5. Step 5: Solve for x
    x = 221,498,943,770.81/541,438.61
  6. Step 6: Final answer
    x = 409,093.37

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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.