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Finding the Fourth Proportional to 367,783.05, 550,646.73 and 198,697.59

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Solution

The fourth proportional to 367,783.05, 550,646.73 and 198,697.59 is: 297,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,783.05 : 550,646.73 = 198,697.59 : x
  2. Step 2: Convert to fraction form
    367,783.05/550,646.73 = 198,697.59/x
  3. Step 3: Cross multiply
    367,783.05x = 550,646.73 × 198,697.59
  4. Step 4: Simplify right side
    367,783.05x = 109,412,178,192.38
  5. Step 5: Solve for x
    x = 109,412,178,192.38/367,783.05
  6. Step 6: Final answer
    x = 297,491.08

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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.