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Finding the Fourth Proportional to 554,383.52, 831,567.99 and 133,656.02

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Solution

The fourth proportional to 554,383.52, 831,567.99 and 133,656.02 is: 200,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,383.52 : 831,567.99 = 133,656.02 : x
  2. Step 2: Convert to fraction form
    554,383.52/831,567.99 = 133,656.02/x
  3. Step 3: Cross multiply
    554,383.52x = 831,567.99 × 133,656.02
  4. Step 4: Simplify right side
    554,383.52x = 111,144,067,902.80
  5. Step 5: Solve for x
    x = 111,144,067,902.80/554,383.52
  6. Step 6: Final answer
    x = 200,482.27

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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.