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Finding the Fourth Proportional to 359,727.01, 496,410.26 and 198,578.60

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Solution

The fourth proportional to 359,727.01, 496,410.26 and 198,578.60 is: 274,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,727.01 : 496,410.26 = 198,578.60 : x
  2. Step 2: Convert to fraction form
    359,727.01/496,410.26 = 198,578.60/x
  3. Step 3: Cross multiply
    359,727.01x = 496,410.26 × 198,578.60
  4. Step 4: Simplify right side
    359,727.01x = 98,576,452,005.38
  5. Step 5: Solve for x
    x = 98,576,452,005.38/359,727.01
  6. Step 6: Final answer
    x = 274,031.28

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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.