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Finding the Fourth Proportional to 562,519.62, 776,279.16 and 304,396.58

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Solution

The fourth proportional to 562,519.62, 776,279.16 and 304,396.58 is: 420,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,519.62 : 776,279.16 = 304,396.58 : x
  2. Step 2: Convert to fraction form
    562,519.62/776,279.16 = 304,396.58/x
  3. Step 3: Cross multiply
    562,519.62x = 776,279.16 × 304,396.58
  4. Step 4: Simplify right side
    562,519.62x = 236,296,723,369.97
  5. Step 5: Solve for x
    x = 236,296,723,369.97/562,519.62
  6. Step 6: Final answer
    x = 420,068.41

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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.