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Finding the Fourth Proportional to 359,352.55, 495,904.50 and 198,207.23

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Solution

The fourth proportional to 359,352.55, 495,904.50 and 198,207.23 is: 273,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,352.55 : 495,904.50 = 198,207.23 : x
  2. Step 2: Convert to fraction form
    359,352.55/495,904.50 = 198,207.23/x
  3. Step 3: Cross multiply
    359,352.55x = 495,904.50 × 198,207.23
  4. Step 4: Simplify right side
    359,352.55x = 98,291,858,529.30
  5. Step 5: Solve for x
    x = 98,291,858,529.30/359,352.55
  6. Step 6: Final answer
    x = 273,524.87

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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.