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Finding the Fourth Proportional to 397,425.84, 548,165.64 and 244,262.94

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Solution

The fourth proportional to 397,425.84, 548,165.64 and 244,262.94 is: 336,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,425.84 : 548,165.64 = 244,262.94 : x
  2. Step 2: Convert to fraction form
    397,425.84/548,165.64 = 244,262.94/x
  3. Step 3: Cross multiply
    397,425.84x = 548,165.64 × 244,262.94
  4. Step 4: Simplify right side
    397,425.84x = 133,896,549,693.75
  5. Step 5: Solve for x
    x = 133,896,549,693.75/397,425.84
  6. Step 6: Final answer
    x = 336,909.52

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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.