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Finding the Fourth Proportional to 279,015.50, 384,899.42 and 182,275.98

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Solution

The fourth proportional to 279,015.50, 384,899.42 and 182,275.98 is: 251,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,015.50 : 384,899.42 = 182,275.98 : x
  2. Step 2: Convert to fraction form
    279,015.50/384,899.42 = 182,275.98/x
  3. Step 3: Cross multiply
    279,015.50x = 384,899.42 × 182,275.98
  4. Step 4: Simplify right side
    279,015.50x = 70,157,919,437.62
  5. Step 5: Solve for x
    x = 70,157,919,437.62/279,015.50
  6. Step 6: Final answer
    x = 251,448.11

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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.