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Finding the Fourth Proportional to 608,403.44, 912,735.40 and 181,972.72

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Solution

The fourth proportional to 608,403.44, 912,735.40 and 181,972.72 is: 272,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,403.44 : 912,735.40 = 181,972.72 : x
  2. Step 2: Convert to fraction form
    608,403.44/912,735.40 = 181,972.72/x
  3. Step 3: Cross multiply
    608,403.44x = 912,735.40 × 181,972.72
  4. Step 4: Simplify right side
    608,403.44x = 166,092,943,378.29
  5. Step 5: Solve for x
    x = 166,092,943,378.29/608,403.44
  6. Step 6: Final answer
    x = 272,998.03

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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.