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Finding the Fourth Proportional to 3,163,604.50, 4,746,215.94 and 919,742.50

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Solution

The fourth proportional to 3,163,604.50, 4,746,215.94 and 919,742.50 is: 1,379,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,604.50 : 4,746,215.94 = 919,742.50 : x
  2. Step 2: Convert to fraction form
    3,163,604.50/4,746,215.94 = 919,742.50/x
  3. Step 3: Cross multiply
    3,163,604.50x = 4,746,215.94 × 919,742.50
  4. Step 4: Simplify right side
    3,163,604.50x = 4,365,296,514,195.45
  5. Step 5: Solve for x
    x = 4,365,296,514,195.45/3,163,604.50
  6. Step 6: Final answer
    x = 1,379,849.00

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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.