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Finding the Fourth Proportional to 468,695.23, 646,839.24 and 264,783.57

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Solution

The fourth proportional to 468,695.23, 646,839.24 and 264,783.57 is: 365,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,695.23 : 646,839.24 = 264,783.57 : x
  2. Step 2: Convert to fraction form
    468,695.23/646,839.24 = 264,783.57/x
  3. Step 3: Cross multiply
    468,695.23x = 646,839.24 × 264,783.57
  4. Step 4: Simplify right side
    468,695.23x = 171,272,405,222.41
  5. Step 5: Solve for x
    x = 171,272,405,222.41/468,695.23
  6. Step 6: Final answer
    x = 365,423.83

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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.