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Finding the Fourth Proportional to 472,703.35, 652,314.49 and 281,713.27

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Solution

The fourth proportional to 472,703.35, 652,314.49 and 281,713.27 is: 388,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,703.35 : 652,314.49 = 281,713.27 : x
  2. Step 2: Convert to fraction form
    472,703.35/652,314.49 = 281,713.27/x
  3. Step 3: Cross multiply
    472,703.35x = 652,314.49 × 281,713.27
  4. Step 4: Simplify right side
    472,703.35x = 183,765,648,046.28
  5. Step 5: Solve for x
    x = 183,765,648,046.28/472,703.35
  6. Step 6: Final answer
    x = 388,754.70

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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.