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Finding the Fourth Proportional to 359,078.22, 495,527.81 and 197,935.97

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Solution

The fourth proportional to 359,078.22, 495,527.81 and 197,935.97 is: 273,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,078.22 : 495,527.81 = 197,935.97 : x
  2. Step 2: Convert to fraction form
    359,078.22/495,527.81 = 197,935.97/x
  3. Step 3: Cross multiply
    359,078.22x = 495,527.81 × 197,935.97
  4. Step 4: Simplify right side
    359,078.22x = 98,082,774,267.01
  5. Step 5: Solve for x
    x = 98,082,774,267.01/359,078.22
  6. Step 6: Final answer
    x = 273,151.56

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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.