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Finding the Fourth Proportional to 359,156.82, 495,658.74 and 198,011.62

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Solution

The fourth proportional to 359,156.82, 495,658.74 and 198,011.62 is: 273,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,156.82 : 495,658.74 = 198,011.62 : x
  2. Step 2: Convert to fraction form
    359,156.82/495,658.74 = 198,011.62/x
  3. Step 3: Cross multiply
    359,156.82x = 495,658.74 × 198,011.62
  4. Step 4: Simplify right side
    359,156.82x = 98,146,191,436.68
  5. Step 5: Solve for x
    x = 98,146,191,436.68/359,156.82
  6. Step 6: Final answer
    x = 273,268.35

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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.