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Finding the Fourth Proportional to 363,090.60, 543,858.30 and 293,106.60

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Solution

The fourth proportional to 363,090.60, 543,858.30 and 293,106.60 is: 439,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,090.60 : 543,858.30 = 293,106.60 : x
  2. Step 2: Convert to fraction form
    363,090.60/543,858.30 = 293,106.60/x
  3. Step 3: Cross multiply
    363,090.60x = 543,858.30 × 293,106.60
  4. Step 4: Simplify right side
    363,090.60x = 159,408,457,194.78
  5. Step 5: Solve for x
    x = 159,408,457,194.78/363,090.60
  6. Step 6: Final answer
    x = 439,032.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.