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Finding the Fourth Proportional to 369,096.81, 553,704.84 and 155,896.77

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Solution

The fourth proportional to 369,096.81, 553,704.84 and 155,896.77 is: 233,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,096.81 : 553,704.84 = 155,896.77 : x
  2. Step 2: Convert to fraction form
    369,096.81/553,704.84 = 155,896.77/x
  3. Step 3: Cross multiply
    369,096.81x = 553,704.84 × 155,896.77
  4. Step 4: Simplify right side
    369,096.81x = 86,320,795,309.88
  5. Step 5: Solve for x
    x = 86,320,795,309.88/369,096.81
  6. Step 6: Final answer
    x = 233,870.34

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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.