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Finding the Fourth Proportional to 476,632.98, 713,855.97 and 276,456.87

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Solution

The fourth proportional to 476,632.98, 713,855.97 and 276,456.87 is: 414,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,632.98 : 713,855.97 = 276,456.87 : x
  2. Step 2: Convert to fraction form
    476,632.98/713,855.97 = 276,456.87/x
  3. Step 3: Cross multiply
    476,632.98x = 713,855.97 × 276,456.87
  4. Step 4: Simplify right side
    476,632.98x = 197,350,387,097.01
  5. Step 5: Solve for x
    x = 197,350,387,097.01/476,632.98
  6. Step 6: Final answer
    x = 414,051.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.