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Finding the Fourth Proportional to 450,812.36, 622,121.10 and 249,608.36

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Solution

The fourth proportional to 450,812.36, 622,121.10 and 249,608.36 is: 344,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,812.36 : 622,121.10 = 249,608.36 : x
  2. Step 2: Convert to fraction form
    450,812.36/622,121.10 = 249,608.36/x
  3. Step 3: Cross multiply
    450,812.36x = 622,121.10 × 249,608.36
  4. Step 4: Simplify right side
    450,812.36x = 155,286,627,492.40
  5. Step 5: Solve for x
    x = 155,286,627,492.40/450,812.36
  6. Step 6: Final answer
    x = 344,459.56

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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.