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Finding the Fourth Proportional to 555,816.72, 831,732.06 and 481,193.58

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Solution

The fourth proportional to 555,816.72, 831,732.06 and 481,193.58 is: 720,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,816.72 : 831,732.06 = 481,193.58 : x
  2. Step 2: Convert to fraction form
    555,816.72/831,732.06 = 481,193.58/x
  3. Step 3: Cross multiply
    555,816.72x = 831,732.06 × 481,193.58
  4. Step 4: Simplify right side
    555,816.72x = 400,224,127,552.18
  5. Step 5: Solve for x
    x = 400,224,127,552.18/555,816.72
  6. Step 6: Final answer
    x = 720,064.93

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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.