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Finding the Fourth Proportional to 556,799.46, 768,383.25 and 302,150.65

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Solution

The fourth proportional to 556,799.46, 768,383.25 and 302,150.65 is: 416,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,799.46 : 768,383.25 = 302,150.65 : x
  2. Step 2: Convert to fraction form
    556,799.46/768,383.25 = 302,150.65/x
  3. Step 3: Cross multiply
    556,799.46x = 768,383.25 × 302,150.65
  4. Step 4: Simplify right side
    556,799.46x = 232,167,493,083.94
  5. Step 5: Solve for x
    x = 232,167,493,083.94/556,799.46
  6. Step 6: Final answer
    x = 416,967.88

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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.