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Finding the Fourth Proportional to 339,509.16, 468,346.94 and 230,619.10

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Solution

The fourth proportional to 339,509.16, 468,346.94 and 230,619.10 is: 318,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,509.16 : 468,346.94 = 230,619.10 : x
  2. Step 2: Convert to fraction form
    339,509.16/468,346.94 = 230,619.10/x
  3. Step 3: Cross multiply
    339,509.16x = 468,346.94 × 230,619.10
  4. Step 4: Simplify right side
    339,509.16x = 108,009,749,790.55
  5. Step 5: Solve for x
    x = 108,009,749,790.55/339,509.16
  6. Step 6: Final answer
    x = 318,135.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.