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Finding the Fourth Proportional to 568,603.62, 849,218.93 and 515,188.87

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Solution

The fourth proportional to 568,603.62, 849,218.93 and 515,188.87 is: 769,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,603.62 : 849,218.93 = 515,188.87 : x
  2. Step 2: Convert to fraction form
    568,603.62/849,218.93 = 515,188.87/x
  3. Step 3: Cross multiply
    568,603.62x = 849,218.93 × 515,188.87
  4. Step 4: Simplify right side
    568,603.62x = 437,508,144,340.33
  5. Step 5: Solve for x
    x = 437,508,144,340.33/568,603.62
  6. Step 6: Final answer
    x = 769,443.13

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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.