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Finding the Fourth Proportional to 466,372.60, 643,575.18 and 275,447.80

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Solution

The fourth proportional to 466,372.60, 643,575.18 and 275,447.80 is: 380,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,372.60 : 643,575.18 = 275,447.80 : x
  2. Step 2: Convert to fraction form
    466,372.60/643,575.18 = 275,447.80/x
  3. Step 3: Cross multiply
    466,372.60x = 643,575.18 × 275,447.80
  4. Step 4: Simplify right side
    466,372.60x = 177,271,367,465.60
  5. Step 5: Solve for x
    x = 177,271,367,465.60/466,372.60
  6. Step 6: Final answer
    x = 380,106.74

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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.