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Finding the Fourth Proportional to 472,857.39, 652,545.32 and 258,001.97

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Solution

The fourth proportional to 472,857.39, 652,545.32 and 258,001.97 is: 356,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,857.39 : 652,545.32 = 258,001.97 : x
  2. Step 2: Convert to fraction form
    472,857.39/652,545.32 = 258,001.97/x
  3. Step 3: Cross multiply
    472,857.39x = 652,545.32 × 258,001.97
  4. Step 4: Simplify right side
    472,857.39x = 168,357,973,521.54
  5. Step 5: Solve for x
    x = 168,357,973,521.54/472,857.39
  6. Step 6: Final answer
    x = 356,043.87

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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.