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Finding the Fourth Proportional to 440,436.95, 660,659.33 and 174,197.49

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Solution

The fourth proportional to 440,436.95, 660,659.33 and 174,197.49 is: 261,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,436.95 : 660,659.33 = 174,197.49 : x
  2. Step 2: Convert to fraction form
    440,436.95/660,659.33 = 174,197.49/x
  3. Step 3: Cross multiply
    440,436.95x = 660,659.33 × 174,197.49
  4. Step 4: Simplify right side
    440,436.95x = 115,085,197,031.08
  5. Step 5: Solve for x
    x = 115,085,197,031.08/440,436.95
  6. Step 6: Final answer
    x = 261,297.78

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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.