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Finding the Fourth Proportional to 554,440.60, 831,535.47 and 254,632.97

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Solution

The fourth proportional to 554,440.60, 831,535.47 and 254,632.97 is: 381,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,440.60 : 831,535.47 = 254,632.97 : x
  2. Step 2: Convert to fraction form
    554,440.60/831,535.47 = 254,632.97/x
  3. Step 3: Cross multiply
    554,440.60x = 831,535.47 × 254,632.97
  4. Step 4: Simplify right side
    554,440.60x = 211,736,343,787.90
  5. Step 5: Solve for x
    x = 211,736,343,787.90/554,440.60
  6. Step 6: Final answer
    x = 381,891.85

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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.