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Finding the Fourth Proportional to 1,907,922.35, 2,861,502.77 and 934,868.64

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Solution

The fourth proportional to 1,907,922.35, 2,861,502.77 and 934,868.64 is: 1,402,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,922.35 : 2,861,502.77 = 934,868.64 : x
  2. Step 2: Convert to fraction form
    1,907,922.35/2,861,502.77 = 934,868.64/x
  3. Step 3: Cross multiply
    1,907,922.35x = 2,861,502.77 × 934,868.64
  4. Step 4: Simplify right side
    1,907,922.35x = 2,675,129,197,288.67
  5. Step 5: Solve for x
    x = 2,675,129,197,288.67/1,907,922.35
  6. Step 6: Final answer
    x = 1,402,116.39

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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.