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Finding the Fourth Proportional to 546,639.36, 754,368 and 304,944

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Solution

The fourth proportional to 546,639.36, 754,368 and 304,944 is: 420,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,639.36 : 754,368 = 304,944 : x
  2. Step 2: Convert to fraction form
    546,639.36/754,368 = 304,944/x
  3. Step 3: Cross multiply
    546,639.36x = 754,368 × 304,944
  4. Step 4: Simplify right side
    546,639.36x = 230,039,995,392
  5. Step 5: Solve for x
    x = 230,039,995,392/546,639.36
  6. Step 6: Final answer
    x = 420,825.89

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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.