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Finding the Fourth Proportional to 483,501.90, 667,314.84 and 279,676.74

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Solution

The fourth proportional to 483,501.90, 667,314.84 and 279,676.74 is: 386,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,501.90 : 667,314.84 = 279,676.74 : x
  2. Step 2: Convert to fraction form
    483,501.90/667,314.84 = 279,676.74/x
  3. Step 3: Cross multiply
    483,501.90x = 667,314.84 × 279,676.74
  4. Step 4: Simplify right side
    483,501.90x = 186,632,439,004.82
  5. Step 5: Solve for x
    x = 186,632,439,004.82/483,501.90
  6. Step 6: Final answer
    x = 386,001.46

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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.