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Finding the Fourth Proportional to 568,604.48, 849,220.22 and 515,189.73

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Solution

The fourth proportional to 568,604.48, 849,220.22 and 515,189.73 is: 769,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,604.48 : 849,220.22 = 515,189.73 : x
  2. Step 2: Convert to fraction form
    568,604.48/849,220.22 = 515,189.73/x
  3. Step 3: Cross multiply
    568,604.48x = 849,220.22 × 515,189.73
  4. Step 4: Simplify right side
    568,604.48x = 437,509,533,276.39
  5. Step 5: Solve for x
    x = 437,509,533,276.39/568,604.48
  6. Step 6: Final answer
    x = 769,444.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.