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Finding the Fourth Proportional to 472,553.34, 652,109.22 and 268,626.54

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Solution

The fourth proportional to 472,553.34, 652,109.22 and 268,626.54 is: 370,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,553.34 : 652,109.22 = 268,626.54 : x
  2. Step 2: Convert to fraction form
    472,553.34/652,109.22 = 268,626.54/x
  3. Step 3: Cross multiply
    472,553.34x = 652,109.22 × 268,626.54
  4. Step 4: Simplify right side
    472,553.34x = 175,173,843,470.70
  5. Step 5: Solve for x
    x = 175,173,843,470.70/472,553.34
  6. Step 6: Final answer
    x = 370,696.45

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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.