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Finding the Fourth Proportional to 369,096.87, 553,704.93 and 155,896.83

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Solution

The fourth proportional to 369,096.87, 553,704.93 and 155,896.83 is: 233,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,096.87 : 553,704.93 = 155,896.83 : x
  2. Step 2: Convert to fraction form
    369,096.87/553,704.93 = 155,896.83/x
  3. Step 3: Cross multiply
    369,096.87x = 553,704.93 × 155,896.83
  4. Step 4: Simplify right side
    369,096.87x = 86,320,843,342.37
  5. Step 5: Solve for x
    x = 86,320,843,342.37/369,096.87
  6. Step 6: Final answer
    x = 233,870.43

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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.