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Finding the Fourth Proportional to 359,406.14, 495,979.08 and 198,271.22

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Solution

The fourth proportional to 359,406.14, 495,979.08 and 198,271.22 is: 273,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,406.14 : 495,979.08 = 198,271.22 : x
  2. Step 2: Convert to fraction form
    359,406.14/495,979.08 = 198,271.22/x
  3. Step 3: Cross multiply
    359,406.14x = 495,979.08 × 198,271.22
  4. Step 4: Simplify right side
    359,406.14x = 98,338,377,286.08
  5. Step 5: Solve for x
    x = 98,338,377,286.08/359,406.14
  6. Step 6: Final answer
    x = 273,613.52

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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.