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Finding the Fourth Proportional to 554,267.92, 831,403.60 and 154,906.06

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Solution

The fourth proportional to 554,267.92, 831,403.60 and 154,906.06 is: 232,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,267.92 : 831,403.60 = 154,906.06 : x
  2. Step 2: Convert to fraction form
    554,267.92/831,403.60 = 154,906.06/x
  3. Step 3: Cross multiply
    554,267.92x = 831,403.60 × 154,906.06
  4. Step 4: Simplify right side
    554,267.92x = 128,789,455,945.82
  5. Step 5: Solve for x
    x = 128,789,455,945.82/554,267.92
  6. Step 6: Final answer
    x = 232,359.57

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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.