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Finding the Fourth Proportional to 546,884.60, 754,859.12 and 317,493.41

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Solution

The fourth proportional to 546,884.60, 754,859.12 and 317,493.41 is: 438,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,884.60 : 754,859.12 = 317,493.41 : x
  2. Step 2: Convert to fraction form
    546,884.60/754,859.12 = 317,493.41/x
  3. Step 3: Cross multiply
    546,884.60x = 754,859.12 × 317,493.41
  4. Step 4: Simplify right side
    546,884.60x = 239,662,790,716.64
  5. Step 5: Solve for x
    x = 239,662,790,716.64/546,884.60
  6. Step 6: Final answer
    x = 438,232.84

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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.