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Finding the Fourth Proportional to 706,512.60, 1,059,768.90 and 548,854.20

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Solution

The fourth proportional to 706,512.60, 1,059,768.90 and 548,854.20 is: 823,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,512.60 : 1,059,768.90 = 548,854.20 : x
  2. Step 2: Convert to fraction form
    706,512.60/1,059,768.90 = 548,854.20/x
  3. Step 3: Cross multiply
    706,512.60x = 1,059,768.90 × 548,854.20
  4. Step 4: Simplify right side
    706,512.60x = 581,658,611,794.38
  5. Step 5: Solve for x
    x = 581,658,611,794.38/706,512.60
  6. Step 6: Final answer
    x = 823,281.30

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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.