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Finding the Fourth Proportional to 291,086.48, 401,747.40 and 183,714.96

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Solution

The fourth proportional to 291,086.48, 401,747.40 and 183,714.96 is: 253,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,086.48 : 401,747.40 = 183,714.96 : x
  2. Step 2: Convert to fraction form
    291,086.48/401,747.40 = 183,714.96/x
  3. Step 3: Cross multiply
    291,086.48x = 401,747.40 × 183,714.96
  4. Step 4: Simplify right side
    291,086.48x = 73,807,007,521.10
  5. Step 5: Solve for x
    x = 73,807,007,521.10/291,086.48
  6. Step 6: Final answer
    x = 253,556.98

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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.