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Finding the Fourth Proportional to 554,472.89, 831,739.60 and 175,365.32

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Solution

The fourth proportional to 554,472.89, 831,739.60 and 175,365.32 is: 263,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,472.89 : 831,739.60 = 175,365.32 : x
  2. Step 2: Convert to fraction form
    554,472.89/831,739.60 = 175,365.32/x
  3. Step 3: Cross multiply
    554,472.89x = 831,739.60 × 175,365.32
  4. Step 4: Simplify right side
    554,472.89x = 145,858,283,409.23
  5. Step 5: Solve for x
    x = 145,858,283,409.23/554,472.89
  6. Step 6: Final answer
    x = 263,057.56

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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.