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Finding the Fourth Proportional to 246,693.42, 368,255.07 and 216,800.64

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Solution

The fourth proportional to 246,693.42, 368,255.07 and 216,800.64 is: 323,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,693.42 : 368,255.07 = 216,800.64 : x
  2. Step 2: Convert to fraction form
    246,693.42/368,255.07 = 216,800.64/x
  3. Step 3: Cross multiply
    246,693.42x = 368,255.07 × 216,800.64
  4. Step 4: Simplify right side
    246,693.42x = 79,837,934,859.24
  5. Step 5: Solve for x
    x = 79,837,934,859.24/246,693.42
  6. Step 6: Final answer
    x = 323,632.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.