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Finding the Fourth Proportional to 286,381.44, 395,218.44 and 159,068.88

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Solution

The fourth proportional to 286,381.44, 395,218.44 and 159,068.88 is: 219,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,381.44 : 395,218.44 = 159,068.88 : x
  2. Step 2: Convert to fraction form
    286,381.44/395,218.44 = 159,068.88/x
  3. Step 3: Cross multiply
    286,381.44x = 395,218.44 × 159,068.88
  4. Step 4: Simplify right side
    286,381.44x = 62,866,954,606.15
  5. Step 5: Solve for x
    x = 62,866,954,606.15/286,381.44
  6. Step 6: Final answer
    x = 219,521.75

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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.