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Finding the Fourth Proportional to 253,317, 380,084.94 and 134,954.76

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Solution

The fourth proportional to 253,317, 380,084.94 and 134,954.76 is: 202,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,317 : 380,084.94 = 134,954.76 : x
  2. Step 2: Convert to fraction form
    253,317/380,084.94 = 134,954.76/x
  3. Step 3: Cross multiply
    253,317x = 380,084.94 × 134,954.76
  4. Step 4: Simplify right side
    253,317x = 51,294,271,857.31
  5. Step 5: Solve for x
    x = 51,294,271,857.31/253,317
  6. Step 6: Final answer
    x = 202,490.44

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1.5x scale

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.