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Finding the Fourth Proportional to 483,267.98, 666,962.74 and 276,555.50

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Solution

The fourth proportional to 483,267.98, 666,962.74 and 276,555.50 is: 381,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,267.98 : 666,962.74 = 276,555.50 : x
  2. Step 2: Convert to fraction form
    483,267.98/666,962.74 = 276,555.50/x
  3. Step 3: Cross multiply
    483,267.98x = 666,962.74 × 276,555.50
  4. Step 4: Simplify right side
    483,267.98x = 184,452,214,042.07
  5. Step 5: Solve for x
    x = 184,452,214,042.07/483,267.98
  6. Step 6: Final answer
    x = 381,676.88

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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.