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Finding the Fourth Proportional to 468,725.04, 646,839 and 253,864.56

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Solution

The fourth proportional to 468,725.04, 646,839 and 253,864.56 is: 350,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,725.04 : 646,839 = 253,864.56 : x
  2. Step 2: Convert to fraction form
    468,725.04/646,839 = 253,864.56/x
  3. Step 3: Cross multiply
    468,725.04x = 646,839 × 253,864.56
  4. Step 4: Simplify right side
    468,725.04x = 164,209,498,125.84
  5. Step 5: Solve for x
    x = 164,209,498,125.84/468,725.04
  6. Step 6: Final answer
    x = 350,332.25

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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.