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Finding the Fourth Proportional to 531,290.82, 733,181.61 and 301,848.51

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Solution

The fourth proportional to 531,290.82, 733,181.61 and 301,848.51 is: 416,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,290.82 : 733,181.61 = 301,848.51 : x
  2. Step 2: Convert to fraction form
    531,290.82/733,181.61 = 301,848.51/x
  3. Step 3: Cross multiply
    531,290.82x = 733,181.61 × 301,848.51
  4. Step 4: Simplify right side
    531,290.82x = 221,309,776,537.90
  5. Step 5: Solve for x
    x = 221,309,776,537.90/531,290.82
  6. Step 6: Final answer
    x = 416,551.10

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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.