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Finding the Fourth Proportional to 451,186.13, 622,636.86 and 249,982.13

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Solution

The fourth proportional to 451,186.13, 622,636.86 and 249,982.13 is: 344,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,186.13 : 622,636.86 = 249,982.13 : x
  2. Step 2: Convert to fraction form
    451,186.13/622,636.86 = 249,982.13/x
  3. Step 3: Cross multiply
    451,186.13x = 622,636.86 × 249,982.13
  4. Step 4: Simplify right side
    451,186.13x = 155,648,084,116.22
  5. Step 5: Solve for x
    x = 155,648,084,116.22/451,186.13
  6. Step 6: Final answer
    x = 344,975.33

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1.5x scale

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.