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Finding the Fourth Proportional to 323,127.50, 445,926.21 and 202,230.14

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Solution

The fourth proportional to 323,127.50, 445,926.21 and 202,230.14 is: 279,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,127.50 : 445,926.21 = 202,230.14 : x
  2. Step 2: Convert to fraction form
    323,127.50/445,926.21 = 202,230.14/x
  3. Step 3: Cross multiply
    323,127.50x = 445,926.21 × 202,230.14
  4. Step 4: Simplify right side
    323,127.50x = 90,179,719,877.97
  5. Step 5: Solve for x
    x = 90,179,719,877.97/323,127.50
  6. Step 6: Final answer
    x = 279,084.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.