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Finding the Fourth Proportional to 472,853.70, 652,537.89 and 303,087.69

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Solution

The fourth proportional to 472,853.70, 652,537.89 and 303,087.69 is: 418,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,853.70 : 652,537.89 = 303,087.69 : x
  2. Step 2: Convert to fraction form
    472,853.70/652,537.89 = 303,087.69/x
  3. Step 3: Cross multiply
    472,853.70x = 652,537.89 × 303,087.69
  4. Step 4: Simplify right side
    472,853.70x = 197,776,201,717.57
  5. Step 5: Solve for x
    x = 197,776,201,717.57/472,853.70
  6. Step 6: Final answer
    x = 418,260.87

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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.