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Finding the Fourth Proportional to 474,488.26, 711,735.12 and 194,005.51

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Solution

The fourth proportional to 474,488.26, 711,735.12 and 194,005.51 is: 291,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,488.26 : 711,735.12 = 194,005.51 : x
  2. Step 2: Convert to fraction form
    474,488.26/711,735.12 = 194,005.51/x
  3. Step 3: Cross multiply
    474,488.26x = 711,735.12 × 194,005.51
  4. Step 4: Simplify right side
    474,488.26x = 138,080,534,940.51
  5. Step 5: Solve for x
    x = 138,080,534,940.51/474,488.26
  6. Step 6: Final answer
    x = 291,009.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.