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Finding the Fourth Proportional to 3,308,611.86, 4,955,942.88 and 1,513,006.29

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Solution

The fourth proportional to 3,308,611.86, 4,955,942.88 and 1,513,006.29 is: 2,266,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,611.86 : 4,955,942.88 = 1,513,006.29 : x
  2. Step 2: Convert to fraction form
    3,308,611.86/4,955,942.88 = 1,513,006.29/x
  3. Step 3: Cross multiply
    3,308,611.86x = 4,955,942.88 × 1,513,006.29
  4. Step 4: Simplify right side
    3,308,611.86x = 7,498,372,750,320.72
  5. Step 5: Solve for x
    x = 7,498,372,750,320.72/3,308,611.86
  6. Step 6: Final answer
    x = 2,266,319.85

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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.