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Finding the Fourth Proportional to 492,797.61, 739,287.59 and 155,923.06

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Solution

The fourth proportional to 492,797.61, 739,287.59 and 155,923.06 is: 233,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,797.61 : 739,287.59 = 155,923.06 : x
  2. Step 2: Convert to fraction form
    492,797.61/739,287.59 = 155,923.06/x
  3. Step 3: Cross multiply
    492,797.61x = 739,287.59 × 155,923.06
  4. Step 4: Simplify right side
    492,797.61x = 115,271,983,252.83
  5. Step 5: Solve for x
    x = 115,271,983,252.83/492,797.61
  6. Step 6: Final answer
    x = 233,913.44

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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.