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Finding the Fourth Proportional to 483,186.96, 666,812 and 276,488.96

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Solution

The fourth proportional to 483,186.96, 666,812 and 276,488.96 is: 381,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,186.96 : 666,812 = 276,488.96 : x
  2. Step 2: Convert to fraction form
    483,186.96/666,812 = 276,488.96/x
  3. Step 3: Cross multiply
    483,186.96x = 666,812 × 276,488.96
  4. Step 4: Simplify right side
    483,186.96x = 184,366,156,395.52
  5. Step 5: Solve for x
    x = 184,366,156,395.52/483,186.96
  6. Step 6: Final answer
    x = 381,562.77

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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.