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Finding the Fourth Proportional to 531,011.12, 796,765.79 and 264,792.39

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Solution

The fourth proportional to 531,011.12, 796,765.79 and 264,792.39 is: 397,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,011.12 : 796,765.79 = 264,792.39 : x
  2. Step 2: Convert to fraction form
    531,011.12/796,765.79 = 264,792.39/x
  3. Step 3: Cross multiply
    531,011.12x = 796,765.79 × 264,792.39
  4. Step 4: Simplify right side
    531,011.12x = 210,977,517,804.34
  5. Step 5: Solve for x
    x = 210,977,517,804.34/531,011.12
  6. Step 6: Final answer
    x = 397,312.81

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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.