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Finding the Fourth Proportional to 554,062.93, 831,094.54 and 133,338.80

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Solution

The fourth proportional to 554,062.93, 831,094.54 and 133,338.80 is: 200,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,062.93 : 831,094.54 = 133,338.80 : x
  2. Step 2: Convert to fraction form
    554,062.93/831,094.54 = 133,338.80/x
  3. Step 3: Cross multiply
    554,062.93x = 831,094.54 × 133,338.80
  4. Step 4: Simplify right side
    554,062.93x = 110,817,150,394.54
  5. Step 5: Solve for x
    x = 110,817,150,394.54/554,062.93
  6. Step 6: Final answer
    x = 200,008.24

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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.