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Finding the Fourth Proportional to 585,260.84, 807,725.52 and 330,628.43

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Solution

The fourth proportional to 585,260.84, 807,725.52 and 330,628.43 is: 456,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,260.84 : 807,725.52 = 330,628.43 : x
  2. Step 2: Convert to fraction form
    585,260.84/807,725.52 = 330,628.43/x
  3. Step 3: Cross multiply
    585,260.84x = 807,725.52 × 330,628.43
  4. Step 4: Simplify right side
    585,260.84x = 267,057,016,509.91
  5. Step 5: Solve for x
    x = 267,057,016,509.91/585,260.84
  6. Step 6: Final answer
    x = 456,304.27

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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.