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Finding the Fourth Proportional to 554,663.81, 831,998.14 and 175,586.40

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Solution

The fourth proportional to 554,663.81, 831,998.14 and 175,586.40 is: 263,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,663.81 : 831,998.14 = 175,586.40 : x
  2. Step 2: Convert to fraction form
    554,663.81/831,998.14 = 175,586.40/x
  3. Step 3: Cross multiply
    554,663.81x = 831,998.14 × 175,586.40
  4. Step 4: Simplify right side
    554,663.81x = 146,087,557,770.33
  5. Step 5: Solve for x
    x = 146,087,557,770.33/554,663.81
  6. Step 6: Final answer
    x = 263,380.37

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Similar ratio
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1.5x scale

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.