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Finding the Fourth Proportional to 532,266.50, 734,651.16 and 351,011.18

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Solution

The fourth proportional to 532,266.50, 734,651.16 and 351,011.18 is: 484,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,266.50 : 734,651.16 = 351,011.18 : x
  2. Step 2: Convert to fraction form
    532,266.50/734,651.16 = 351,011.18/x
  3. Step 3: Cross multiply
    532,266.50x = 734,651.16 × 351,011.18
  4. Step 4: Simplify right side
    532,266.50x = 257,870,770,559.97
  5. Step 5: Solve for x
    x = 257,870,770,559.97/532,266.50
  6. Step 6: Final answer
    x = 484,476.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.