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Finding the Fourth Proportional to 629,001.16, 943,405 and 344,832.50

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Solution

The fourth proportional to 629,001.16, 943,405 and 344,832.50 is: 517,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,001.16 : 943,405 = 344,832.50 : x
  2. Step 2: Convert to fraction form
    629,001.16/943,405 = 344,832.50/x
  3. Step 3: Cross multiply
    629,001.16x = 943,405 × 344,832.50
  4. Step 4: Simplify right side
    629,001.16x = 325,316,704,662.50
  5. Step 5: Solve for x
    x = 325,316,704,662.50/629,001.16
  6. Step 6: Final answer
    x = 517,195.71

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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.