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Finding the Fourth Proportional to 5,904,906.40, 8,857,359.60 and 4,477,232.80

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Solution

The fourth proportional to 5,904,906.40, 8,857,359.60 and 4,477,232.80 is: 6,715,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904,906.40 : 8,857,359.60 = 4,477,232.80 : x
  2. Step 2: Convert to fraction form
    5,904,906.40/8,857,359.60 = 4,477,232.80/x
  3. Step 3: Cross multiply
    5,904,906.40x = 8,857,359.60 × 4,477,232.80
  4. Step 4: Simplify right side
    5,904,906.40x = 39,656,460,922,514.88
  5. Step 5: Solve for x
    x = 39,656,460,922,514.88/5,904,906.40
  6. Step 6: Final answer
    x = 6,715,849.20

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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.