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Finding the Fourth Proportional to 554,635.66, 831,943.46 and 155,270.36

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Solution

The fourth proportional to 554,635.66, 831,943.46 and 155,270.36 is: 232,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,635.66 : 831,943.46 = 155,270.36 : x
  2. Step 2: Convert to fraction form
    554,635.66/831,943.46 = 155,270.36/x
  3. Step 3: Cross multiply
    554,635.66x = 831,943.46 × 155,270.36
  4. Step 4: Simplify right side
    554,635.66x = 129,176,160,533.85
  5. Step 5: Solve for x
    x = 129,176,160,533.85/554,635.66
  6. Step 6: Final answer
    x = 232,902.73

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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.