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Finding the Fourth Proportional to 715,896.60, 1,073,820.60 and 183,422.85

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Solution

The fourth proportional to 715,896.60, 1,073,820.60 and 183,422.85 is: 275,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,896.60 : 1,073,820.60 = 183,422.85 : x
  2. Step 2: Convert to fraction form
    715,896.60/1,073,820.60 = 183,422.85/x
  3. Step 3: Cross multiply
    715,896.60x = 1,073,820.60 × 183,422.85
  4. Step 4: Simplify right side
    715,896.60x = 196,963,234,840.71
  5. Step 5: Solve for x
    x = 196,963,234,840.71/715,896.60
  6. Step 6: Final answer
    x = 275,128.05

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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.