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Finding the Fourth Proportional to 363,090.60, 544,635.90 and 185,538.60

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Solution

The fourth proportional to 363,090.60, 544,635.90 and 185,538.60 is: 278,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,090.60 : 544,635.90 = 185,538.60 : x
  2. Step 2: Convert to fraction form
    363,090.60/544,635.90 = 185,538.60/x
  3. Step 3: Cross multiply
    363,090.60x = 544,635.90 × 185,538.60
  4. Step 4: Simplify right side
    363,090.60x = 101,050,982,395.74
  5. Step 5: Solve for x
    x = 101,050,982,395.74/363,090.60
  6. Step 6: Final answer
    x = 278,307.90

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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.