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Finding the Fourth Proportional to 608,091.28, 839,402.76 and 544,318.80

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Solution

The fourth proportional to 608,091.28, 839,402.76 and 544,318.80 is: 751,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,091.28 : 839,402.76 = 544,318.80 : x
  2. Step 2: Convert to fraction form
    608,091.28/839,402.76 = 544,318.80/x
  3. Step 3: Cross multiply
    608,091.28x = 839,402.76 × 544,318.80
  4. Step 4: Simplify right side
    608,091.28x = 456,902,703,039.89
  5. Step 5: Solve for x
    x = 456,902,703,039.89/608,091.28
  6. Step 6: Final answer
    x = 751,371.90

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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.