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Finding the Fourth Proportional to 450,907, 622,251.84 and 249,703

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Solution

The fourth proportional to 450,907, 622,251.84 and 249,703 is: 344,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,907 : 622,251.84 = 249,703 : x
  2. Step 2: Convert to fraction form
    450,907/622,251.84 = 249,703/x
  3. Step 3: Cross multiply
    450,907x = 622,251.84 × 249,703
  4. Step 4: Simplify right side
    450,907x = 155,378,151,203.52
  5. Step 5: Solve for x
    x = 155,378,151,203.52/450,907
  6. Step 6: Final answer
    x = 344,590.24

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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.