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Finding the Fourth Proportional to 1,837,793.60, 2,751,160.80 and 1,616,609.60

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Solution

The fourth proportional to 1,837,793.60, 2,751,160.80 and 1,616,609.60 is: 2,420,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,793.60 : 2,751,160.80 = 1,616,609.60 : x
  2. Step 2: Convert to fraction form
    1,837,793.60/2,751,160.80 = 1,616,609.60/x
  3. Step 3: Cross multiply
    1,837,793.60x = 2,751,160.80 × 1,616,609.60
  4. Step 4: Simplify right side
    1,837,793.60x = 4,447,552,960,423.68
  5. Step 5: Solve for x
    x = 4,447,552,960,423.68/1,837,793.60
  6. Step 6: Final answer
    x = 2,420,050.30

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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.