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Finding the Fourth Proportional to 594,647.20, 889,897.20 and 408,023.20

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Solution

The fourth proportional to 594,647.20, 889,897.20 and 408,023.20 is: 610,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,647.20 : 889,897.20 = 408,023.20 : x
  2. Step 2: Convert to fraction form
    594,647.20/889,897.20 = 408,023.20/x
  3. Step 3: Cross multiply
    594,647.20x = 889,897.20 × 408,023.20
  4. Step 4: Simplify right side
    594,647.20x = 363,098,703,215.04
  5. Step 5: Solve for x
    x = 363,098,703,215.04/594,647.20
  6. Step 6: Final answer
    x = 610,611.98

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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.