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Finding the Fourth Proportional to 423,668, 584,713.72 and 244,820

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Solution

The fourth proportional to 423,668, 584,713.72 and 244,820 is: 337,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,668 : 584,713.72 = 244,820 : x
  2. Step 2: Convert to fraction form
    423,668/584,713.72 = 244,820/x
  3. Step 3: Cross multiply
    423,668x = 584,713.72 × 244,820
  4. Step 4: Simplify right side
    423,668x = 143,149,612,930.40
  5. Step 5: Solve for x
    x = 143,149,612,930.40/423,668
  6. Step 6: Final answer
    x = 337,881.58

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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.