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Finding the Fourth Proportional to 368,010.53, 552,015.63 and 115,310.88

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Solution

The fourth proportional to 368,010.53, 552,015.63 and 115,310.88 is: 172,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,010.53 : 552,015.63 = 115,310.88 : x
  2. Step 2: Convert to fraction form
    368,010.53/552,015.63 = 115,310.88/x
  3. Step 3: Cross multiply
    368,010.53x = 552,015.63 × 115,310.88
  4. Step 4: Simplify right side
    368,010.53x = 63,653,408,069.05
  5. Step 5: Solve for x
    x = 63,653,408,069.05/368,010.53
  6. Step 6: Final answer
    x = 172,966.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.