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Finding the Fourth Proportional to 253,568.34, 380,424.60 and 127,056.06

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Solution

The fourth proportional to 253,568.34, 380,424.60 and 127,056.06 is: 190,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,568.34 : 380,424.60 = 127,056.06 : x
  2. Step 2: Convert to fraction form
    253,568.34/380,424.60 = 127,056.06/x
  3. Step 3: Cross multiply
    253,568.34x = 380,424.60 × 127,056.06
  4. Step 4: Simplify right side
    253,568.34x = 48,335,250,803.08
  5. Step 5: Solve for x
    x = 48,335,250,803.08/253,568.34
  6. Step 6: Final answer
    x = 190,620.21

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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.