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Finding the Fourth Proportional to 540,369.72, 810,117.30 and 225,063.48

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Solution

The fourth proportional to 540,369.72, 810,117.30 and 225,063.48 is: 337,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,369.72 : 810,117.30 = 225,063.48 : x
  2. Step 2: Convert to fraction form
    540,369.72/810,117.30 = 225,063.48/x
  3. Step 3: Cross multiply
    540,369.72x = 810,117.30 × 225,063.48
  4. Step 4: Simplify right side
    540,369.72x = 182,327,818,746.20
  5. Step 5: Solve for x
    x = 182,327,818,746.20/540,369.72
  6. Step 6: Final answer
    x = 337,413.09

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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.