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Finding the Fourth Proportional to 359,164.16, 495,668.16 and 198,055.04

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Solution

The fourth proportional to 359,164.16, 495,668.16 and 198,055.04 is: 273,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,164.16 : 495,668.16 = 198,055.04 : x
  2. Step 2: Convert to fraction form
    359,164.16/495,668.16 = 198,055.04/x
  3. Step 3: Cross multiply
    359,164.16x = 495,668.16 × 198,055.04
  4. Step 4: Simplify right side
    359,164.16x = 98,169,577,255.53
  5. Step 5: Solve for x
    x = 98,169,577,255.53/359,164.16
  6. Step 6: Final answer
    x = 273,327.88

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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.