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Finding the Fourth Proportional to 683,752.80, 1,027,378.80 and 606,770.40

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Solution

The fourth proportional to 683,752.80, 1,027,378.80 and 606,770.40 is: 911,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,752.80 : 1,027,378.80 = 606,770.40 : x
  2. Step 2: Convert to fraction form
    683,752.80/1,027,378.80 = 606,770.40/x
  3. Step 3: Cross multiply
    683,752.80x = 1,027,378.80 × 606,770.40
  4. Step 4: Simplify right side
    683,752.80x = 623,383,045,427.52
  5. Step 5: Solve for x
    x = 623,383,045,427.52/683,752.80
  6. Step 6: Final answer
    x = 911,708.22

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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.