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Finding the Fourth Proportional to 706,594.60, 1,059,891.90 and 659,938.60

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Solution

The fourth proportional to 706,594.60, 1,059,891.90 and 659,938.60 is: 989,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,594.60 : 1,059,891.90 = 659,938.60 : x
  2. Step 2: Convert to fraction form
    706,594.60/1,059,891.90 = 659,938.60/x
  3. Step 3: Cross multiply
    706,594.60x = 1,059,891.90 × 659,938.60
  4. Step 4: Simplify right side
    706,594.60x = 699,463,576,637.34
  5. Step 5: Solve for x
    x = 699,463,576,637.34/706,594.60
  6. Step 6: Final answer
    x = 989,907.90

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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.