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Finding the Fourth Proportional to 554,086.46, 831,129.91 and 133,362.33

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Solution

The fourth proportional to 554,086.46, 831,129.91 and 133,362.33 is: 200,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,086.46 : 831,129.91 = 133,362.33 : x
  2. Step 2: Convert to fraction form
    554,086.46/831,129.91 = 133,362.33/x
  3. Step 3: Cross multiply
    554,086.46x = 831,129.91 × 133,362.33
  4. Step 4: Simplify right side
    554,086.46x = 110,841,421,330.29
  5. Step 5: Solve for x
    x = 110,841,421,330.29/554,086.46
  6. Step 6: Final answer
    x = 200,043.55

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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.