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Finding the Fourth Proportional to 682,655.60, 1,021,650.60 and 598,674.80

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Solution

The fourth proportional to 682,655.60, 1,021,650.60 and 598,674.80 is: 895,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,655.60 : 1,021,650.60 = 598,674.80 : x
  2. Step 2: Convert to fraction form
    682,655.60/1,021,650.60 = 598,674.80/x
  3. Step 3: Cross multiply
    682,655.60x = 1,021,650.60 × 598,674.80
  4. Step 4: Simplify right side
    682,655.60x = 611,636,468,624.88
  5. Step 5: Solve for x
    x = 611,636,468,624.88/682,655.60
  6. Step 6: Final answer
    x = 895,966.38

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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.