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Finding the Fourth Proportional to 4,934,978.35, 7,402,467.53 and 3,500,087.65

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Solution

The fourth proportional to 4,934,978.35, 7,402,467.53 and 3,500,087.65 is: 5,250,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934,978.35 : 7,402,467.53 = 3,500,087.65 : x
  2. Step 2: Convert to fraction form
    4,934,978.35/7,402,467.53 = 3,500,087.65/x
  3. Step 3: Cross multiply
    4,934,978.35x = 7,402,467.53 × 3,500,087.65
  4. Step 4: Simplify right side
    4,934,978.35x = 25,909,285,163,778.57
  5. Step 5: Solve for x
    x = 25,909,285,163,778.57/4,934,978.35
  6. Step 6: Final answer
    x = 5,250,131.48

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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.