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Finding the Fourth Proportional to 356,429.15, 534,606.06 and 187,881.92

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Solution

The fourth proportional to 356,429.15, 534,606.06 and 187,881.92 is: 281,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,429.15 : 534,606.06 = 187,881.92 : x
  2. Step 2: Convert to fraction form
    356,429.15/534,606.06 = 187,881.92/x
  3. Step 3: Cross multiply
    356,429.15x = 534,606.06 × 187,881.92
  4. Step 4: Simplify right side
    356,429.15x = 100,442,812,996.44
  5. Step 5: Solve for x
    x = 100,442,812,996.44/356,429.15
  6. Step 6: Final answer
    x = 281,803.03

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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.