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Finding the Fourth Proportional to 253,448.56, 380,172.84 and 113,304.88

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Solution

The fourth proportional to 253,448.56, 380,172.84 and 113,304.88 is: 169,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,448.56 : 380,172.84 = 113,304.88 : x
  2. Step 2: Convert to fraction form
    253,448.56/380,172.84 = 113,304.88/x
  3. Step 3: Cross multiply
    253,448.56x = 380,172.84 × 113,304.88
  4. Step 4: Simplify right side
    253,448.56x = 43,075,438,015.46
  5. Step 5: Solve for x
    x = 43,075,438,015.46/253,448.56
  6. Step 6: Final answer
    x = 169,957.32

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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.