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Finding the Fourth Proportional to 2,932,575.07, 4,393,135.91 and 1,393,380.07

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Solution

The fourth proportional to 2,932,575.07, 4,393,135.91 and 1,393,380.07 is: 2,087,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932,575.07 : 4,393,135.91 = 1,393,380.07 : x
  2. Step 2: Convert to fraction form
    2,932,575.07/4,393,135.91 = 1,393,380.07/x
  3. Step 3: Cross multiply
    2,932,575.07x = 4,393,135.91 × 1,393,380.07
  4. Step 4: Simplify right side
    2,932,575.07x = 6,121,308,033,128.92
  5. Step 5: Solve for x
    x = 6,121,308,033,128.92/2,932,575.07
  6. Step 6: Final answer
    x = 2,087,349.14

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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.