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Finding the Fourth Proportional to 376,111.32, 564,260.38 and 186,660.60

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Solution

The fourth proportional to 376,111.32, 564,260.38 and 186,660.60 is: 280,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,111.32 : 564,260.38 = 186,660.60 : x
  2. Step 2: Convert to fraction form
    376,111.32/564,260.38 = 186,660.60/x
  3. Step 3: Cross multiply
    376,111.32x = 564,260.38 × 186,660.60
  4. Step 4: Simplify right side
    376,111.32x = 105,325,181,087.03
  5. Step 5: Solve for x
    x = 105,325,181,087.03/376,111.32
  6. Step 6: Final answer
    x = 280,037.25

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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.