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Finding the Fourth Proportional to 568,603.11, 849,218.19 and 515,188.37

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Solution

The fourth proportional to 568,603.11, 849,218.19 and 515,188.37 is: 769,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,603.11 : 849,218.19 = 515,188.37 : x
  2. Step 2: Convert to fraction form
    568,603.11/849,218.19 = 515,188.37/x
  3. Step 3: Cross multiply
    568,603.11x = 849,218.19 × 515,188.37
  4. Step 4: Simplify right side
    568,603.11x = 437,507,335,271.54
  5. Step 5: Solve for x
    x = 437,507,335,271.54/568,603.11
  6. Step 6: Final answer
    x = 769,442.38

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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.