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Finding the Fourth Proportional to 447,052, 616,894.32 and 263,261.32

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Solution

The fourth proportional to 447,052, 616,894.32 and 263,261.32 is: 363,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,052 : 616,894.32 = 263,261.32 : x
  2. Step 2: Convert to fraction form
    447,052/616,894.32 = 263,261.32/x
  3. Step 3: Cross multiply
    447,052x = 616,894.32 × 263,261.32
  4. Step 4: Simplify right side
    447,052x = 162,404,412,983.70
  5. Step 5: Solve for x
    x = 162,404,412,983.70/447,052
  6. Step 6: Final answer
    x = 363,278.57

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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.