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Finding the Fourth Proportional to 576,663.88, 863,292.36 and 425,902.92

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Solution

The fourth proportional to 576,663.88, 863,292.36 and 425,902.92 is: 637,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,663.88 : 863,292.36 = 425,902.92 : x
  2. Step 2: Convert to fraction form
    576,663.88/863,292.36 = 425,902.92/x
  3. Step 3: Cross multiply
    576,663.88x = 863,292.36 × 425,902.92
  4. Step 4: Simplify right side
    576,663.88x = 367,678,736,937.69
  5. Step 5: Solve for x
    x = 367,678,736,937.69/576,663.88
  6. Step 6: Final answer
    x = 637,596.27

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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.