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Finding the Fourth Proportional to 279,952.06, 386,333.82 and 159,093.58

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Solution

The fourth proportional to 279,952.06, 386,333.82 and 159,093.58 is: 219,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,952.06 : 386,333.82 = 159,093.58 : x
  2. Step 2: Convert to fraction form
    279,952.06/386,333.82 = 159,093.58/x
  3. Step 3: Cross multiply
    279,952.06x = 386,333.82 × 159,093.58
  4. Step 4: Simplify right side
    279,952.06x = 61,463,230,498.88
  5. Step 5: Solve for x
    x = 61,463,230,498.88/279,952.06
  6. Step 6: Final answer
    x = 219,549.13

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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.