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Finding the Fourth Proportional to 544,666, 751,639.08 and 306,202

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Solution

The fourth proportional to 544,666, 751,639.08 and 306,202 is: 422,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,666 : 751,639.08 = 306,202 : x
  2. Step 2: Convert to fraction form
    544,666/751,639.08 = 306,202/x
  3. Step 3: Cross multiply
    544,666x = 751,639.08 × 306,202
  4. Step 4: Simplify right side
    544,666x = 230,153,389,574.16
  5. Step 5: Solve for x
    x = 230,153,389,574.16/544,666
  6. Step 6: Final answer
    x = 422,558.76

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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.