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Finding the Fourth Proportional to 353,212.65, 529,816.55 and 116,574.39

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Solution

The fourth proportional to 353,212.65, 529,816.55 and 116,574.39 is: 174,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,212.65 : 529,816.55 = 116,574.39 : x
  2. Step 2: Convert to fraction form
    353,212.65/529,816.55 = 116,574.39/x
  3. Step 3: Cross multiply
    353,212.65x = 529,816.55 × 116,574.39
  4. Step 4: Simplify right side
    353,212.65x = 61,763,040,545.28
  5. Step 5: Solve for x
    x = 61,763,040,545.28/353,212.65
  6. Step 6: Final answer
    x = 174,860.78

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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.