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Finding the Fourth Proportional to 607,087.80, 910,630.80 and 180,621.72

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Solution

The fourth proportional to 607,087.80, 910,630.80 and 180,621.72 is: 270,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,087.80 : 910,630.80 = 180,621.72 : x
  2. Step 2: Convert to fraction form
    607,087.80/910,630.80 = 180,621.72/x
  3. Step 3: Cross multiply
    607,087.80x = 910,630.80 × 180,621.72
  4. Step 4: Simplify right side
    607,087.80x = 164,479,701,380.98
  5. Step 5: Solve for x
    x = 164,479,701,380.98/607,087.80
  6. Step 6: Final answer
    x = 270,932.31

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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.