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Finding the Fourth Proportional to 629,063.12, 943,126.68 and 565,697.36

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Solution

The fourth proportional to 629,063.12, 943,126.68 and 565,697.36 is: 848,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,063.12 : 943,126.68 = 565,697.36 : x
  2. Step 2: Convert to fraction form
    629,063.12/943,126.68 = 565,697.36/x
  3. Step 3: Cross multiply
    629,063.12x = 943,126.68 × 565,697.36
  4. Step 4: Simplify right side
    629,063.12x = 533,524,273,021.57
  5. Step 5: Solve for x
    x = 533,524,273,021.57/629,063.12
  6. Step 6: Final answer
    x = 848,125.18

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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.