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Finding the Fourth Proportional to 565,429.77, 848,185.83 and 210,443.67

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Solution

The fourth proportional to 565,429.77, 848,185.83 and 210,443.67 is: 315,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,429.77 : 848,185.83 = 210,443.67 : x
  2. Step 2: Convert to fraction form
    565,429.77/848,185.83 = 210,443.67/x
  3. Step 3: Cross multiply
    565,429.77x = 848,185.83 × 210,443.67
  4. Step 4: Simplify right side
    565,429.77x = 178,495,338,907.20
  5. Step 5: Solve for x
    x = 178,495,338,907.20/565,429.77
  6. Step 6: Final answer
    x = 315,680.83

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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.