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Finding the Fourth Proportional to 1,166,731.80, 1,749,806.10 and 446,917.20

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Solution

The fourth proportional to 1,166,731.80, 1,749,806.10 and 446,917.20 is: 670,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,731.80 : 1,749,806.10 = 446,917.20 : x
  2. Step 2: Convert to fraction form
    1,166,731.80/1,749,806.10 = 446,917.20/x
  3. Step 3: Cross multiply
    1,166,731.80x = 1,749,806.10 × 446,917.20
  4. Step 4: Simplify right side
    1,166,731.80x = 782,018,442,754.92
  5. Step 5: Solve for x
    x = 782,018,442,754.92/1,166,731.80
  6. Step 6: Final answer
    x = 670,264.10

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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.