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Finding the Fourth Proportional to 662,275.98, 993,581.64 and 188,963.01

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Solution

The fourth proportional to 662,275.98, 993,581.64 and 188,963.01 is: 283,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,275.98 : 993,581.64 = 188,963.01 : x
  2. Step 2: Convert to fraction form
    662,275.98/993,581.64 = 188,963.01/x
  3. Step 3: Cross multiply
    662,275.98x = 993,581.64 × 188,963.01
  4. Step 4: Simplify right side
    662,275.98x = 187,750,177,375.14
  5. Step 5: Solve for x
    x = 187,750,177,375.14/662,275.98
  6. Step 6: Final answer
    x = 283,492.36

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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.