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Finding the Fourth Proportional to 544,840.60, 751,877.76 and 303,146.32

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Solution

The fourth proportional to 544,840.60, 751,877.76 and 303,146.32 is: 418,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,840.60 : 751,877.76 = 303,146.32 : x
  2. Step 2: Convert to fraction form
    544,840.60/751,877.76 = 303,146.32/x
  3. Step 3: Cross multiply
    544,840.60x = 751,877.76 × 303,146.32
  4. Step 4: Simplify right side
    544,840.60x = 227,928,976,033.84
  5. Step 5: Solve for x
    x = 227,928,976,033.84/544,840.60
  6. Step 6: Final answer
    x = 418,340.66

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Similar ratio
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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.