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Finding the Fourth Proportional to 532,980.10, 799,433.70 and 173,145.70

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Solution

The fourth proportional to 532,980.10, 799,433.70 and 173,145.70 is: 259,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,980.10 : 799,433.70 = 173,145.70 : x
  2. Step 2: Convert to fraction form
    532,980.10/799,433.70 = 173,145.70/x
  3. Step 3: Cross multiply
    532,980.10x = 799,433.70 × 173,145.70
  4. Step 4: Simplify right side
    532,980.10x = 138,418,507,590.09
  5. Step 5: Solve for x
    x = 138,418,507,590.09/532,980.10
  6. Step 6: Final answer
    x = 259,706.71

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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.