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Finding the Fourth Proportional to 423,669, 584,715.10 and 244,821

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Solution

The fourth proportional to 423,669, 584,715.10 and 244,821 is: 337,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,669 : 584,715.10 = 244,821 : x
  2. Step 2: Convert to fraction form
    423,669/584,715.10 = 244,821/x
  3. Step 3: Cross multiply
    423,669x = 584,715.10 × 244,821
  4. Step 4: Simplify right side
    423,669x = 143,150,535,497.10
  5. Step 5: Solve for x
    x = 143,150,535,497.10/423,669
  6. Step 6: Final answer
    x = 337,882.96

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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.