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Finding the Fourth Proportional to 359,185.30, 495,675.28 and 198,042.90

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Solution

The fourth proportional to 359,185.30, 495,675.28 and 198,042.90 is: 273,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,185.30 : 495,675.28 = 198,042.90 : x
  2. Step 2: Convert to fraction form
    359,185.30/495,675.28 = 198,042.90/x
  3. Step 3: Cross multiply
    359,185.30x = 495,675.28 × 198,042.90
  4. Step 4: Simplify right side
    359,185.30x = 98,164,969,909.51
  5. Step 5: Solve for x
    x = 98,164,969,909.51/359,185.30
  6. Step 6: Final answer
    x = 273,298.96

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1.5x scale

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.