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Finding the Fourth Proportional to 624,988.72, 937,334.40 and 269,808.40

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Solution

The fourth proportional to 624,988.72, 937,334.40 and 269,808.40 is: 404,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,988.72 : 937,334.40 = 269,808.40 : x
  2. Step 2: Convert to fraction form
    624,988.72/937,334.40 = 269,808.40/x
  3. Step 3: Cross multiply
    624,988.72x = 937,334.40 × 269,808.40
  4. Step 4: Simplify right side
    624,988.72x = 252,900,694,728.96
  5. Step 5: Solve for x
    x = 252,900,694,728.96/624,988.72
  6. Step 6: Final answer
    x = 404,648.41

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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.