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Finding the Fourth Proportional to 441,570.10, 662,441.55 and 188,850.10

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Solution

The fourth proportional to 441,570.10, 662,441.55 and 188,850.10 is: 283,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,570.10 : 662,441.55 = 188,850.10 : x
  2. Step 2: Convert to fraction form
    441,570.10/662,441.55 = 188,850.10/x
  3. Step 3: Cross multiply
    441,570.10x = 662,441.55 × 188,850.10
  4. Step 4: Simplify right side
    441,570.10x = 125,102,152,961.66
  5. Step 5: Solve for x
    x = 125,102,152,961.66/441,570.10
  6. Step 6: Final answer
    x = 283,312.10

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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.