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Finding the Fourth Proportional to 1,156,922.80, 1,734,865.80 and 446,714.80

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Solution

The fourth proportional to 1,156,922.80, 1,734,865.80 and 446,714.80 is: 669,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,922.80 : 1,734,865.80 = 446,714.80 : x
  2. Step 2: Convert to fraction form
    1,156,922.80/1,734,865.80 = 446,714.80/x
  3. Step 3: Cross multiply
    1,156,922.80x = 1,734,865.80 × 446,714.80
  4. Step 4: Simplify right side
    1,156,922.80x = 774,990,228,873.84
  5. Step 5: Solve for x
    x = 774,990,228,873.84/1,156,922.80
  6. Step 6: Final answer
    x = 669,872.03

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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.