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Finding the Fourth Proportional to 468,242.64, 646,174.08 and 264,336.48

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Solution

The fourth proportional to 468,242.64, 646,174.08 and 264,336.48 is: 364,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,242.64 : 646,174.08 = 264,336.48 : x
  2. Step 2: Convert to fraction form
    468,242.64/646,174.08 = 264,336.48/x
  3. Step 3: Cross multiply
    468,242.64x = 646,174.08 × 264,336.48
  4. Step 4: Simplify right side
    468,242.64x = 170,807,381,774.44
  5. Step 5: Solve for x
    x = 170,807,381,774.44/468,242.64
  6. Step 6: Final answer
    x = 364,783.91

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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.