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Finding the Fourth Proportional to 367,709.73, 551,566.05 and 243,023.01

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Solution

The fourth proportional to 367,709.73, 551,566.05 and 243,023.01 is: 364,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,709.73 : 551,566.05 = 243,023.01 : x
  2. Step 2: Convert to fraction form
    367,709.73/551,566.05 = 243,023.01/x
  3. Step 3: Cross multiply
    367,709.73x = 551,566.05 × 243,023.01
  4. Step 4: Simplify right side
    367,709.73x = 134,043,241,684.81
  5. Step 5: Solve for x
    x = 134,043,241,684.81/367,709.73
  6. Step 6: Final answer
    x = 364,535.48

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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.