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Finding the Fourth Proportional to 472,604.78, 652,233.42 and 268,719.68

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Solution

The fourth proportional to 472,604.78, 652,233.42 and 268,719.68 is: 370,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,604.78 : 652,233.42 = 268,719.68 : x
  2. Step 2: Convert to fraction form
    472,604.78/652,233.42 = 268,719.68/x
  3. Step 3: Cross multiply
    472,604.78x = 652,233.42 × 268,719.68
  4. Step 4: Simplify right side
    472,604.78x = 175,267,955,907.71
  5. Step 5: Solve for x
    x = 175,267,955,907.71/472,604.78
  6. Step 6: Final answer
    x = 370,855.23

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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.