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Finding the Fourth Proportional to 555,871.24, 831,813.72 and 481,248.04

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Solution

The fourth proportional to 555,871.24, 831,813.72 and 481,248.04 is: 720,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,871.24 : 831,813.72 = 481,248.04 : x
  2. Step 2: Convert to fraction form
    555,871.24/831,813.72 = 481,248.04/x
  3. Step 3: Cross multiply
    555,871.24x = 831,813.72 × 481,248.04
  4. Step 4: Simplify right side
    555,871.24x = 400,308,722,395.11
  5. Step 5: Solve for x
    x = 400,308,722,395.11/555,871.24
  6. Step 6: Final answer
    x = 720,146.49

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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.