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Finding the Fourth Proportional to 554,177.64, 831,266.64 and 133,453.50

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Solution

The fourth proportional to 554,177.64, 831,266.64 and 133,453.50 is: 200,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,177.64 : 831,266.64 = 133,453.50 : x
  2. Step 2: Convert to fraction form
    554,177.64/831,266.64 = 133,453.50/x
  3. Step 3: Cross multiply
    554,177.64x = 831,266.64 × 133,453.50
  4. Step 4: Simplify right side
    554,177.64x = 110,935,442,541.24
  5. Step 5: Solve for x
    x = 110,935,442,541.24/554,177.64
  6. Step 6: Final answer
    x = 200,180.29

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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.