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Finding the Fourth Proportional to 359,325.71, 495,871.83 and 198,185.12

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Solution

The fourth proportional to 359,325.71, 495,871.83 and 198,185.12 is: 273,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,325.71 : 495,871.83 = 198,185.12 : x
  2. Step 2: Convert to fraction form
    359,325.71/495,871.83 = 198,185.12/x
  3. Step 3: Cross multiply
    359,325.71x = 495,871.83 × 198,185.12
  4. Step 4: Simplify right side
    359,325.71x = 98,274,415,653.81
  5. Step 5: Solve for x
    x = 98,274,415,653.81/359,325.71
  6. Step 6: Final answer
    x = 273,496.76

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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.