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Finding the Fourth Proportional to 359,065.64, 495,539.14 and 197,949.48

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Solution

The fourth proportional to 359,065.64, 495,539.14 and 197,949.48 is: 273,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,065.64 : 495,539.14 = 197,949.48 : x
  2. Step 2: Convert to fraction form
    359,065.64/495,539.14 = 197,949.48/x
  3. Step 3: Cross multiply
    359,065.64x = 495,539.14 × 197,949.48
  4. Step 4: Simplify right side
    359,065.64x = 98,091,715,082.65
  5. Step 5: Solve for x
    x = 98,091,715,082.65/359,065.64
  6. Step 6: Final answer
    x = 273,186.03

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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.