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Finding the Fourth Proportional to 359,078.44, 495,528.12 and 197,936.18

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Solution

The fourth proportional to 359,078.44, 495,528.12 and 197,936.18 is: 273,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,078.44 : 495,528.12 = 197,936.18 : x
  2. Step 2: Convert to fraction form
    359,078.44/495,528.12 = 197,936.18/x
  3. Step 3: Cross multiply
    359,078.44x = 495,528.12 × 197,936.18
  4. Step 4: Simplify right side
    359,078.44x = 98,082,943,155.38
  5. Step 5: Solve for x
    x = 98,082,943,155.38/359,078.44
  6. Step 6: Final answer
    x = 273,151.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.