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Finding the Fourth Proportional to 359,481.02, 496,127.72 and 206,518.91

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Solution

The fourth proportional to 359,481.02, 496,127.72 and 206,518.91 is: 285,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,481.02 : 496,127.72 = 206,518.91 : x
  2. Step 2: Convert to fraction form
    359,481.02/496,127.72 = 206,518.91/x
  3. Step 3: Cross multiply
    359,481.02x = 496,127.72 × 206,518.91
  4. Step 4: Simplify right side
    359,481.02x = 102,459,753,990.84
  5. Step 5: Solve for x
    x = 102,459,753,990.84/359,481.02
  6. Step 6: Final answer
    x = 285,021.32

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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.