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Finding the Fourth Proportional to 577,352.45, 866,814.03 and 324,810.65

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Solution

The fourth proportional to 577,352.45, 866,814.03 and 324,810.65 is: 487,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,352.45 : 866,814.03 = 324,810.65 : x
  2. Step 2: Convert to fraction form
    577,352.45/866,814.03 = 324,810.65/x
  3. Step 3: Cross multiply
    577,352.45x = 866,814.03 × 324,810.65
  4. Step 4: Simplify right side
    577,352.45x = 281,550,430,680.46
  5. Step 5: Solve for x
    x = 281,550,430,680.46/577,352.45
  6. Step 6: Final answer
    x = 487,657.81

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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.