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Finding the Fourth Proportional to 622,664.80, 934,112.40 and 201,954.40

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Solution

The fourth proportional to 622,664.80, 934,112.40 and 201,954.40 is: 302,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,664.80 : 934,112.40 = 201,954.40 : x
  2. Step 2: Convert to fraction form
    622,664.80/934,112.40 = 201,954.40/x
  3. Step 3: Cross multiply
    622,664.80x = 934,112.40 × 201,954.40
  4. Step 4: Simplify right side
    622,664.80x = 188,648,109,274.56
  5. Step 5: Solve for x
    x = 188,648,109,274.56/622,664.80
  6. Step 6: Final answer
    x = 302,968.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.