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Finding the Fourth Proportional to 556,830.33, 768,425.82 and 302,181.51

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Solution

The fourth proportional to 556,830.33, 768,425.82 and 302,181.51 is: 417,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,830.33 : 768,425.82 = 302,181.51 : x
  2. Step 2: Convert to fraction form
    556,830.33/768,425.82 = 302,181.51/x
  3. Step 3: Cross multiply
    556,830.33x = 768,425.82 × 302,181.51
  4. Step 4: Simplify right side
    556,830.33x = 232,204,074,610.59
  5. Step 5: Solve for x
    x = 232,204,074,610.59/556,830.33
  6. Step 6: Final answer
    x = 417,010.46

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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.