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Finding the Fourth Proportional to 356,444.16, 534,628.56 and 187,896.96

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Solution

The fourth proportional to 356,444.16, 534,628.56 and 187,896.96 is: 281,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,444.16 : 534,628.56 = 187,896.96 : x
  2. Step 2: Convert to fraction form
    356,444.16/534,628.56 = 187,896.96/x
  3. Step 3: Cross multiply
    356,444.16x = 534,628.56 × 187,896.96
  4. Step 4: Simplify right side
    356,444.16x = 100,455,081,153.18
  5. Step 5: Solve for x
    x = 100,455,081,153.18/356,444.16
  6. Step 6: Final answer
    x = 281,825.58

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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.