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Finding the Fourth Proportional to 1,860,581.03, 2,787,134.76 and 848,310.53

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Solution

The fourth proportional to 1,860,581.03, 2,787,134.76 and 848,310.53 is: 1,270,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,581.03 : 2,787,134.76 = 848,310.53 : x
  2. Step 2: Convert to fraction form
    1,860,581.03/2,787,134.76 = 848,310.53/x
  3. Step 3: Cross multiply
    1,860,581.03x = 2,787,134.76 × 848,310.53
  4. Step 4: Simplify right side
    1,860,581.03x = 2,364,355,751,501.35
  5. Step 5: Solve for x
    x = 2,364,355,751,501.35/1,860,581.03
  6. Step 6: Final answer
    x = 1,270,762.05

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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.