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Finding the Fourth Proportional to 499,594.80, 747,205.20 and 446,669.40

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Solution

The fourth proportional to 499,594.80, 747,205.20 and 446,669.40 is: 668,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,594.80 : 747,205.20 = 446,669.40 : x
  2. Step 2: Convert to fraction form
    499,594.80/747,205.20 = 446,669.40/x
  3. Step 3: Cross multiply
    499,594.80x = 747,205.20 × 446,669.40
  4. Step 4: Simplify right side
    499,594.80x = 333,753,698,360.88
  5. Step 5: Solve for x
    x = 333,753,698,360.88/499,594.80
  6. Step 6: Final answer
    x = 668,048.78

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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.