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Finding the Fourth Proportional to 353,456.37, 530,417.84 and 187,361.01

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Solution

The fourth proportional to 353,456.37, 530,417.84 and 187,361.01 is: 281,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,456.37 : 530,417.84 = 187,361.01 : x
  2. Step 2: Convert to fraction form
    353,456.37/530,417.84 = 187,361.01/x
  3. Step 3: Cross multiply
    353,456.37x = 530,417.84 × 187,361.01
  4. Step 4: Simplify right side
    353,456.37x = 99,379,621,287.61
  5. Step 5: Solve for x
    x = 99,379,621,287.61/353,456.37
  6. Step 6: Final answer
    x = 281,165.17

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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.