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Finding the Fourth Proportional to 1,835,355.15, 2,532,861.93 and 1,255,793.86

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Solution

The fourth proportional to 1,835,355.15, 2,532,861.93 and 1,255,793.86 is: 1,733,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,355.15 : 2,532,861.93 = 1,255,793.86 : x
  2. Step 2: Convert to fraction form
    1,835,355.15/2,532,861.93 = 1,255,793.86/x
  3. Step 3: Cross multiply
    1,835,355.15x = 2,532,861.93 × 1,255,793.86
  4. Step 4: Simplify right side
    1,835,355.15x = 3,180,752,467,797.05
  5. Step 5: Solve for x
    x = 3,180,752,467,797.05/1,835,355.15
  6. Step 6: Final answer
    x = 1,733,044.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.