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Finding the Fourth Proportional to 242,590.60, 363,885.90 and 204,099.40

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Solution

The fourth proportional to 242,590.60, 363,885.90 and 204,099.40 is: 306,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,590.60 : 363,885.90 = 204,099.40 : x
  2. Step 2: Convert to fraction form
    242,590.60/363,885.90 = 204,099.40/x
  3. Step 3: Cross multiply
    242,590.60x = 363,885.90 × 204,099.40
  4. Step 4: Simplify right side
    242,590.60x = 74,268,893,858.46
  5. Step 5: Solve for x
    x = 74,268,893,858.46/242,590.60
  6. Step 6: Final answer
    x = 306,149.10

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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.