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Finding the Fourth Proportional to 359,352.98, 495,909.45 and 198,212.38

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Solution

The fourth proportional to 359,352.98, 495,909.45 and 198,212.38 is: 273,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,352.98 : 495,909.45 = 198,212.38 : x
  2. Step 2: Convert to fraction form
    359,352.98/495,909.45 = 198,212.38/x
  3. Step 3: Cross multiply
    359,352.98x = 495,909.45 × 198,212.38
  4. Step 4: Simplify right side
    359,352.98x = 98,295,392,348.99
  5. Step 5: Solve for x
    x = 98,295,392,348.99/359,352.98
  6. Step 6: Final answer
    x = 273,534.37

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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.