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Finding the Fourth Proportional to 474,486.51, 711,732.50 and 194,003.76

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Solution

The fourth proportional to 474,486.51, 711,732.50 and 194,003.76 is: 291,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,486.51 : 711,732.50 = 194,003.76 : x
  2. Step 2: Convert to fraction form
    474,486.51/711,732.50 = 194,003.76/x
  3. Step 3: Cross multiply
    474,486.51x = 711,732.50 × 194,003.76
  4. Step 4: Simplify right side
    474,486.51x = 138,078,778,991.56
  5. Step 5: Solve for x
    x = 138,078,778,991.56/474,486.51
  6. Step 6: Final answer
    x = 291,006.75

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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.