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Finding the Fourth Proportional to 359,322.71, 495,867.69 and 198,182.12

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Solution

The fourth proportional to 359,322.71, 495,867.69 and 198,182.12 is: 273,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,322.71 : 495,867.69 = 198,182.12 : x
  2. Step 2: Convert to fraction form
    359,322.71/495,867.69 = 198,182.12/x
  3. Step 3: Cross multiply
    359,322.71x = 495,867.69 × 198,182.12
  4. Step 4: Simplify right side
    359,322.71x = 98,272,107,564.36
  5. Step 5: Solve for x
    x = 98,272,107,564.36/359,322.71
  6. Step 6: Final answer
    x = 273,492.62

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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.