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Finding the Fourth Proportional to 548,386.08, 756,767.52 and 306,665.88

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Solution

The fourth proportional to 548,386.08, 756,767.52 and 306,665.88 is: 423,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,386.08 : 756,767.52 = 306,665.88 : x
  2. Step 2: Convert to fraction form
    548,386.08/756,767.52 = 306,665.88/x
  3. Step 3: Cross multiply
    548,386.08x = 756,767.52 × 306,665.88
  4. Step 4: Simplify right side
    548,386.08x = 232,074,777,476.22
  5. Step 5: Solve for x
    x = 232,074,777,476.22/548,386.08
  6. Step 6: Final answer
    x = 423,195.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.