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Finding the Fourth Proportional to 359,258.32, 495,773.48 and 198,120.08

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Solution

The fourth proportional to 359,258.32, 495,773.48 and 198,120.08 is: 273,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,258.32 : 495,773.48 = 198,120.08 : x
  2. Step 2: Convert to fraction form
    359,258.32/495,773.48 = 198,120.08/x
  3. Step 3: Cross multiply
    359,258.32x = 495,773.48 × 198,120.08
  4. Step 4: Simplify right side
    359,258.32x = 98,222,681,519.48
  5. Step 5: Solve for x
    x = 98,222,681,519.48/359,258.32
  6. Step 6: Final answer
    x = 273,404.06

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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.