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Finding the Fourth Proportional to 706,276.80, 1,059,415.20 and 454,334.40

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Solution

The fourth proportional to 706,276.80, 1,059,415.20 and 454,334.40 is: 681,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,276.80 : 1,059,415.20 = 454,334.40 : x
  2. Step 2: Convert to fraction form
    706,276.80/1,059,415.20 = 454,334.40/x
  3. Step 3: Cross multiply
    706,276.80x = 1,059,415.20 × 454,334.40
  4. Step 4: Simplify right side
    706,276.80x = 481,328,769,242.88
  5. Step 5: Solve for x
    x = 481,328,769,242.88/706,276.80
  6. Step 6: Final answer
    x = 681,501.60

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Similar ratio
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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.